LCOV - code coverage report
Current view: top level - gcc - tree.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 349 391 89.3 %
Date: 2023-07-19 08:18:47 Functions: 86 86 100.0 %

          Line data    Source code
       1             : /* Definitions for the ubiquitous 'tree' type for GNU compilers.
       2             :    Copyright (C) 1989-2023 Free Software Foundation, Inc.
       3             : 
       4             : This file is part of GCC.
       5             : 
       6             : GCC is free software; you can redistribute it and/or modify it under
       7             : the terms of the GNU General Public License as published by the Free
       8             : Software Foundation; either version 3, or (at your option) any later
       9             : version.
      10             : 
      11             : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12             : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13             : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14             : for more details.
      15             : 
      16             : You should have received a copy of the GNU General Public License
      17             : along with GCC; see the file COPYING3.  If not see
      18             : <http://www.gnu.org/licenses/>.  */
      19             : 
      20             : #ifndef GCC_TREE_H
      21             : #define GCC_TREE_H
      22             : 
      23             : #include "tree-core.h"
      24             : #include "options.h"
      25             : 
      26             : /* Convert a target-independent built-in function code to a combined_fn.  */
      27             : 
      28             : inline combined_fn
      29             : as_combined_fn (built_in_function fn)
      30             : {
      31             :   return combined_fn (int (fn));
      32             : }
      33             : 
      34             : /* Convert an internal function code to a combined_fn.  */
      35             : 
      36             : inline combined_fn
      37             : as_combined_fn (internal_fn fn)
      38             : {
      39             :   return combined_fn (int (fn) + int (END_BUILTINS));
      40             : }
      41             : 
      42             : /* Return true if CODE is a target-independent built-in function.  */
      43             : 
      44             : inline bool
      45             : builtin_fn_p (combined_fn code)
      46             : {
      47             :   return int (code) < int (END_BUILTINS);
      48             : }
      49             : 
      50             : /* Return the target-independent built-in function represented by CODE.
      51             :    Only valid if builtin_fn_p (CODE).  */
      52             : 
      53             : inline built_in_function
      54             : as_builtin_fn (combined_fn code)
      55             : {
      56             :   gcc_checking_assert (builtin_fn_p (code));
      57             :   return built_in_function (int (code));
      58             : }
      59             : 
      60             : /* Return true if CODE is an internal function.  */
      61             : 
      62             : inline bool
      63             : internal_fn_p (combined_fn code)
      64             : {
      65             :   return int (code) >= int (END_BUILTINS);
      66             : }
      67             : 
      68             : /* Return the internal function represented by CODE.  Only valid if
      69             :    internal_fn_p (CODE).  */
      70             : 
      71             : inline internal_fn
      72             : as_internal_fn (combined_fn code)
      73             : {
      74             :   gcc_checking_assert (internal_fn_p (code));
      75             :   return internal_fn (int (code) - int (END_BUILTINS));
      76             : }
      77             : 
      78             : /* Helper to transparently allow tree codes and builtin function codes
      79             :    exist in one storage entity.  */
      80             : class code_helper
      81             : {
      82             : public:
      83             :   code_helper () {}
      84             :   code_helper (tree_code code) : rep ((int) code) {}
      85             :   code_helper (combined_fn fn) : rep (-(int) fn) {}
      86             :   code_helper (internal_fn fn) : rep (-(int) as_combined_fn (fn)) {}
      87             :   explicit operator tree_code () const { return (tree_code) rep; }
      88             :   explicit operator combined_fn () const { return (combined_fn) -rep; }
      89             :   explicit operator internal_fn () const;
      90             :   explicit operator built_in_function () const;
      91             :   bool is_tree_code () const { return rep > 0; }
      92             :   bool is_fn_code () const { return rep < 0; }
      93             :   bool is_internal_fn () const;
      94             :   bool is_builtin_fn () const;
      95             :   int get_rep () const { return rep; }
      96             :   tree_code safe_as_tree_code () const;
      97             :   combined_fn safe_as_fn_code () const;
      98             :   bool operator== (const code_helper &other) { return rep == other.rep; }
      99             :   bool operator!= (const code_helper &other) { return rep != other.rep; }
     100             :   bool operator== (tree_code c) { return rep == code_helper (c).rep; }
     101             :   bool operator!= (tree_code c) { return rep != code_helper (c).rep; }
     102             : 
     103             : private:
     104             :   int rep;
     105             : };
     106             : 
     107             : /* Helper function that returns the tree_code representation of THIS
     108             :    code_helper if it is a tree_code and MAX_TREE_CODES otherwise.  This is
     109             :    useful when passing a code_helper to a tree_code only check.  */
     110             : 
     111             : inline tree_code
     112             : code_helper::safe_as_tree_code () const
     113             : {
     114             :   return is_tree_code () ? (tree_code) *this : MAX_TREE_CODES;
     115             : }
     116             : 
     117             : /* Helper function that returns the combined_fn representation of THIS
     118             :    code_helper if it is a fn_code and CFN_LAST otherwise.  This is useful when
     119             :    passing a code_helper to a combined_fn only check.  */
     120             : 
     121             : inline combined_fn
     122             : code_helper::safe_as_fn_code () const {
     123             :   return is_fn_code () ? (combined_fn) *this : CFN_LAST;
     124             : }
     125             : 
     126             : inline code_helper::operator internal_fn () const
     127             : {
     128             :   return as_internal_fn (combined_fn (*this));
     129             : }
     130             : 
     131             : inline code_helper::operator built_in_function () const
     132             : {
     133             :   return as_builtin_fn (combined_fn (*this));
     134             : }
     135             : 
     136             : inline bool
     137             : code_helper::is_internal_fn () const
     138             : {
     139             :   return is_fn_code () && internal_fn_p (combined_fn (*this));
     140             : }
     141             : 
     142             : inline bool
     143             : code_helper::is_builtin_fn () const
     144             : {
     145             :   return is_fn_code () && builtin_fn_p (combined_fn (*this));
     146             : }
     147             : 
     148             : /* Macros for initializing `tree_contains_struct'.  */
     149             : #define MARK_TS_BASE(C)                                 \
     150             :   (tree_contains_struct[C][TS_BASE] = true)
     151             : 
     152             : #define MARK_TS_TYPED(C)                                \
     153             :   (MARK_TS_BASE (C),                                    \
     154             :    tree_contains_struct[C][TS_TYPED] = true)
     155             : 
     156             : #define MARK_TS_COMMON(C)                               \
     157             :   (MARK_TS_TYPED (C),                                   \
     158             :    tree_contains_struct[C][TS_COMMON] = true)
     159             : 
     160             : #define MARK_TS_TYPE_COMMON(C)                          \
     161             :   (MARK_TS_COMMON (C),                                  \
     162             :    tree_contains_struct[C][TS_TYPE_COMMON] = true)
     163             : 
     164             : #define MARK_TS_TYPE_WITH_LANG_SPECIFIC(C)              \
     165             :   (MARK_TS_TYPE_COMMON (C),                             \
     166             :    tree_contains_struct[C][TS_TYPE_WITH_LANG_SPECIFIC] = true)
     167             : 
     168             : #define MARK_TS_TYPE_NON_COMMON(C)                      \
     169             :   (MARK_TS_TYPE_WITH_LANG_SPECIFIC (C),                 \
     170             :    tree_contains_struct[C][TS_TYPE_NON_COMMON] = true)  \
     171             : 
     172             : #define MARK_TS_DECL_MINIMAL(C)                         \
     173             :   (MARK_TS_COMMON (C),                                  \
     174             :    tree_contains_struct[C][TS_DECL_MINIMAL] = true)
     175             : 
     176             : #define MARK_TS_DECL_COMMON(C)                          \
     177             :   (MARK_TS_DECL_MINIMAL (C),                            \
     178             :    tree_contains_struct[C][TS_DECL_COMMON] = true)
     179             : 
     180             : #define MARK_TS_DECL_WRTL(C)                            \
     181             :   (MARK_TS_DECL_COMMON (C),                             \
     182             :    tree_contains_struct[C][TS_DECL_WRTL] = true)
     183             : 
     184             : #define MARK_TS_DECL_WITH_VIS(C)                        \
     185             :   (MARK_TS_DECL_WRTL (C),                               \
     186             :    tree_contains_struct[C][TS_DECL_WITH_VIS] = true)
     187             : 
     188             : #define MARK_TS_DECL_NON_COMMON(C)                      \
     189             :   (MARK_TS_DECL_WITH_VIS (C),                           \
     190             :    tree_contains_struct[C][TS_DECL_NON_COMMON] = true)
     191             : 
     192             : #define MARK_TS_EXP(C)                                  \
     193             :   (MARK_TS_TYPED (C),                                   \
     194             :    tree_contains_struct[C][TS_EXP] = true)
     195             : 
     196             : /* Returns the string representing CLASS.  */
     197             : 
     198             : #define TREE_CODE_CLASS_STRING(CLASS)\
     199             :         tree_code_class_strings[(int) (CLASS)]
     200             : 
     201             : #if __cpp_inline_variables < 201606L
     202             : #define TREE_CODE_CLASS(CODE)   \
     203             :   tree_code_type_tmpl <0>::tree_code_type[(int) (CODE)]
     204             : #else
     205             : #define TREE_CODE_CLASS(CODE)   tree_code_type[(int) (CODE)]
     206             : #endif
     207             : 
     208             : /* Nonzero if NODE represents an exceptional code.  */
     209             : 
     210             : #define EXCEPTIONAL_CLASS_P(NODE)\
     211             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_exceptional)
     212             : 
     213             : /* Nonzero if NODE represents a constant.  */
     214             : 
     215             : #define CONSTANT_CLASS_P(NODE)\
     216             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_constant)
     217             : 
     218             : /* Nonzero if NODE represents a constant, or is a location wrapper
     219             :    around such a node.  */
     220             : 
     221             : #define CONSTANT_CLASS_OR_WRAPPER_P(NODE)\
     222             :         (CONSTANT_CLASS_P (tree_strip_any_location_wrapper (NODE)))
     223             : 
     224             : /* Nonzero if NODE represents a type.  */
     225             : 
     226             : #define TYPE_P(NODE)\
     227             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_type)
     228             : 
     229             : /* Nonzero if NODE represents a declaration.  */
     230             : 
     231             : #define DECL_P(NODE)\
     232             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_declaration)
     233             : 
     234             : /* True if NODE designates a variable declaration.  */
     235             : #define VAR_P(NODE) \
     236             :   (TREE_CODE (NODE) == VAR_DECL)
     237             : 
     238             : /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL.  */
     239             : 
     240             : #define VAR_OR_FUNCTION_DECL_P(DECL)\
     241             :   (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
     242             : 
     243             : /* Nonzero if NODE represents a INDIRECT_REF.  Keep these checks in
     244             :    ascending code order.  */
     245             : 
     246             : #define INDIRECT_REF_P(NODE)\
     247             :   (TREE_CODE (NODE) == INDIRECT_REF)
     248             : 
     249             : /* Nonzero if NODE represents a reference.  */
     250             : 
     251             : #define REFERENCE_CLASS_P(NODE)\
     252             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_reference)
     253             : 
     254             : /* Nonzero if NODE represents a comparison.  */
     255             : 
     256             : #define COMPARISON_CLASS_P(NODE)\
     257             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_comparison)
     258             : 
     259             : /* Nonzero if NODE represents a unary arithmetic expression.  */
     260             : 
     261             : #define UNARY_CLASS_P(NODE)\
     262             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_unary)
     263             : 
     264             : /* Nonzero if NODE represents a binary arithmetic expression.  */
     265             : 
     266             : #define BINARY_CLASS_P(NODE)\
     267             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_binary)
     268             : 
     269             : /* Nonzero if NODE represents a statement expression.  */
     270             : 
     271             : #define STATEMENT_CLASS_P(NODE)\
     272             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_statement)
     273             : 
     274             : /* Nonzero if NODE represents a function call-like expression with a
     275             :    variable-length operand vector.  */
     276             : 
     277             : #define VL_EXP_CLASS_P(NODE)\
     278             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_vl_exp)
     279             : 
     280             : /* Nonzero if NODE represents any other expression.  */
     281             : 
     282             : #define EXPRESSION_CLASS_P(NODE)\
     283             :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_expression)
     284             : 
     285             : /* Returns nonzero iff NODE represents a type or declaration.  */
     286             : 
     287             : #define IS_TYPE_OR_DECL_P(NODE)\
     288             :         (TYPE_P (NODE) || DECL_P (NODE))
     289             : 
     290             : /* Returns nonzero iff CLASS is the tree-code class of an
     291             :    expression.  */
     292             : 
     293             : #define IS_EXPR_CODE_CLASS(CLASS)\
     294             :         ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
     295             : 
     296             : /* Returns nonzero iff NODE is an expression of some kind.  */
     297             : 
     298             : #define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
     299             : 
     300             : #if __cpp_inline_variables < 201606L
     301             : #define TREE_CODE_LENGTH(CODE)  \
     302             :   tree_code_length_tmpl <0>::tree_code_length[(int) (CODE)]
     303             : #else
     304             : #define TREE_CODE_LENGTH(CODE)  tree_code_length[(int) (CODE)]
     305             : #endif
     306             : 
     307             : 
     308             : /* Helper macros for math builtins.  */
     309             : 
     310             : #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
     311             : #define CASE_FLT_FN_FLOATN_NX(FN)                          \
     312             :   case FN##F16: case FN##F32: case FN##F64: case FN##F128: \
     313             :   case FN##F32X: case FN##F64X: case FN##F128X
     314             : #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
     315             : #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL: case FN##IMAX
     316             : 
     317             : #define NULL_TREE (tree) NULL
     318             : 
     319             : /* Define accessors for the fields that all tree nodes have
     320             :    (though some fields are not used for all kinds of nodes).  */
     321             : 
     322             : /* The tree-code says what kind of node it is.
     323             :    Codes are defined in tree.def.  */
     324             : #define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
     325             : #define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
     326             : 
     327             : /* When checking is enabled, errors will be generated if a tree node
     328             :    is accessed incorrectly. The macros die with a fatal error.  */
     329             : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
     330             : 
     331             : #define TREE_CHECK(T, CODE) \
     332             : (tree_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
     333             : 
     334             : #define TREE_NOT_CHECK(T, CODE) \
     335             : (tree_not_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
     336             : 
     337             : #define TREE_CHECK2(T, CODE1, CODE2) \
     338             : (tree_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
     339             : 
     340             : #define TREE_NOT_CHECK2(T, CODE1, CODE2) \
     341             : (tree_not_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
     342             : 
     343             : #define TREE_CHECK3(T, CODE1, CODE2, CODE3) \
     344             : (tree_check3 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2), (CODE3)))
     345             : 
     346             : #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) \
     347             : (tree_not_check3 ((T), __FILE__, __LINE__, __FUNCTION__, \
     348             :                                (CODE1), (CODE2), (CODE3)))
     349             : 
     350             : #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
     351             : (tree_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
     352             :                            (CODE1), (CODE2), (CODE3), (CODE4)))
     353             : 
     354             : #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
     355             : (tree_not_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
     356             :                                (CODE1), (CODE2), (CODE3), (CODE4)))
     357             : 
     358             : #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
     359             : (tree_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
     360             :                            (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
     361             : 
     362             : #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
     363             : (tree_not_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
     364             :                                (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
     365             : 
     366             : #define CONTAINS_STRUCT_CHECK(T, STRUCT) \
     367             : (contains_struct_check ((T), (STRUCT), __FILE__, __LINE__, __FUNCTION__))
     368             : 
     369             : #define TREE_CLASS_CHECK(T, CLASS) \
     370             : (tree_class_check ((T), (CLASS), __FILE__, __LINE__, __FUNCTION__))
     371             : 
     372             : #define TREE_RANGE_CHECK(T, CODE1, CODE2) \
     373             : (tree_range_check ((T), (CODE1), (CODE2), __FILE__, __LINE__, __FUNCTION__))
     374             : 
     375             : #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) \
     376             : (omp_clause_subcode_check ((T), (CODE), __FILE__, __LINE__, __FUNCTION__))
     377             : 
     378             : #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) \
     379             : (omp_clause_range_check ((T), (CODE1), (CODE2), \
     380             :                                       __FILE__, __LINE__, __FUNCTION__))
     381             : 
     382             : /* These checks have to be special cased.  */
     383             : #define EXPR_CHECK(T) \
     384             : (expr_check ((T), __FILE__, __LINE__, __FUNCTION__))
     385             : 
     386             : /* These checks have to be special cased.  */
     387             : #define NON_TYPE_CHECK(T) \
     388             : (non_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
     389             : 
     390             : /* These checks have to be special cased.  */
     391             : #define ANY_INTEGRAL_TYPE_CHECK(T) \
     392             : (any_integral_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
     393             : 
     394             : #define TREE_INT_CST_ELT_CHECK(T, I) \
     395             : (*tree_int_cst_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))
     396             : 
     397             : #define TREE_VEC_ELT_CHECK(T, I) \
     398             : (*(CONST_CAST2 (tree *, typeof (T)*, \
     399             :      tree_vec_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
     400             : 
     401             : #define OMP_CLAUSE_ELT_CHECK(T, I) \
     402             : (*(omp_clause_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__)))
     403             : 
     404             : /* Special checks for TREE_OPERANDs.  */
     405             : #define TREE_OPERAND_CHECK(T, I) \
     406             : (*(CONST_CAST2 (tree*, typeof (T)*, \
     407             :      tree_operand_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
     408             : 
     409             : #define TREE_OPERAND_CHECK_CODE(T, CODE, I) \
     410             : (*(tree_operand_check_code ((T), (CODE), (I), \
     411             :                                          __FILE__, __LINE__, __FUNCTION__)))
     412             : 
     413             : /* Nodes are chained together for many purposes.
     414             :    Types are chained together to record them for being output to the debugger
     415             :    (see the function `chain_type').
     416             :    Decls in the same scope are chained together to record the contents
     417             :    of the scope.
     418             :    Statement nodes for successive statements used to be chained together.
     419             :    Often lists of things are represented by TREE_LIST nodes that
     420             :    are chained together.  */
     421             : 
     422             : #define TREE_CHAIN(NODE) \
     423             : (CONTAINS_STRUCT_CHECK (NODE, TS_COMMON)->common.chain)
     424             : 
     425             : /* In all nodes that are expressions, this is the data type of the expression.
     426             :    In POINTER_TYPE nodes, this is the type that the pointer points to.
     427             :    In ARRAY_TYPE nodes, this is the type of the elements.
     428             :    In VECTOR_TYPE nodes, this is the type of the elements.  */
     429             : #define TREE_TYPE(NODE) \
     430             : (CONTAINS_STRUCT_CHECK (NODE, TS_TYPED)->typed.type)
     431             : 
     432             : extern void tree_contains_struct_check_failed (const_tree,
     433             :                                                const enum tree_node_structure_enum,
     434             :                                                const char *, int, const char *)
     435             :   ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     436             : 
     437             : extern void tree_check_failed (const_tree, const char *, int, const char *,
     438             :                                ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     439             : extern void tree_not_check_failed (const_tree, const char *, int, const char *,
     440             :                                    ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     441             : extern void tree_class_check_failed (const_tree, const enum tree_code_class,
     442             :                                      const char *, int, const char *)
     443             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     444             : extern void tree_range_check_failed (const_tree, const char *, int,
     445             :                                      const char *, enum tree_code,
     446             :                                      enum tree_code)
     447             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     448             : extern void tree_not_class_check_failed (const_tree,
     449             :                                          const enum tree_code_class,
     450             :                                          const char *, int, const char *)
     451             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     452             : extern void tree_int_cst_elt_check_failed (int, int, const char *,
     453             :                                            int, const char *)
     454             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     455             : extern void tree_vec_elt_check_failed (int, int, const char *,
     456             :                                        int, const char *)
     457             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     458             : extern void phi_node_elt_check_failed (int, int, const char *,
     459             :                                        int, const char *)
     460             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     461             : extern void tree_operand_check_failed (int, const_tree,
     462             :                                        const char *, int, const char *)
     463             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     464             : extern void omp_clause_check_failed (const_tree, const char *, int,
     465             :                                      const char *, enum omp_clause_code)
     466             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     467             : extern void omp_clause_operand_check_failed (int, const_tree, const char *,
     468             :                                              int, const char *)
     469             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     470             : extern void omp_clause_range_check_failed (const_tree, const char *, int,
     471             :                                const char *, enum omp_clause_code,
     472             :                                enum omp_clause_code)
     473             :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     474             : 
     475             : #else /* not ENABLE_TREE_CHECKING, or not gcc */
     476             : 
     477             : #define CONTAINS_STRUCT_CHECK(T, ENUM)          (T)
     478             : #define TREE_CHECK(T, CODE)                     (T)
     479             : #define TREE_NOT_CHECK(T, CODE)                 (T)
     480             : #define TREE_CHECK2(T, CODE1, CODE2)            (T)
     481             : #define TREE_NOT_CHECK2(T, CODE1, CODE2)        (T)
     482             : #define TREE_CHECK3(T, CODE1, CODE2, CODE3)     (T)
     483             : #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
     484             : #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
     485             : #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
     486             : #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
     487             : #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
     488             : #define TREE_CLASS_CHECK(T, CODE)               (T)
     489             : #define TREE_RANGE_CHECK(T, CODE1, CODE2)       (T)
     490             : #define EXPR_CHECK(T)                           (T)
     491             : #define NON_TYPE_CHECK(T)                       (T)
     492             : #define TREE_INT_CST_ELT_CHECK(T, I)            ((T)->int_cst.val[I])
     493             : #define TREE_VEC_ELT_CHECK(T, I)                ((T)->vec.a[I])
     494             : #define TREE_OPERAND_CHECK(T, I)                ((T)->exp.operands[I])
     495             : #define TREE_OPERAND_CHECK_CODE(T, CODE, I)     ((T)->exp.operands[I])
     496             : #define OMP_CLAUSE_ELT_CHECK(T, i)              ((T)->omp_clause.ops[i])
     497             : #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
     498             : #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE)       (T)
     499             : #define ANY_INTEGRAL_TYPE_CHECK(T)              (T)
     500             : 
     501             : #define TREE_CHAIN(NODE) ((NODE)->common.chain)
     502             : #define TREE_TYPE(NODE) ((NODE)->typed.type)
     503             : 
     504             : #endif
     505             : 
     506             : #define TREE_BLOCK(NODE)                (tree_block (NODE))
     507             : #define TREE_SET_BLOCK(T, B)            (tree_set_block ((T), (B)))
     508             : 
     509             : #include "tree-check.h"
     510             : 
     511             : #define TYPE_CHECK(T)           TREE_CLASS_CHECK (T, tcc_type)
     512             : #define DECL_MINIMAL_CHECK(T)   CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
     513             : #define DECL_COMMON_CHECK(T)    CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
     514             : #define DECL_WRTL_CHECK(T)      CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
     515             : #define DECL_WITH_VIS_CHECK(T)  CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
     516             : #define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
     517             : #define CST_CHECK(T)            TREE_CLASS_CHECK (T, tcc_constant)
     518             : #define STMT_CHECK(T)           TREE_CLASS_CHECK (T, tcc_statement)
     519             : #define VL_EXP_CHECK(T)         TREE_CLASS_CHECK (T, tcc_vl_exp)
     520             : #define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
     521             : #define PTR_OR_REF_CHECK(T)     TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
     522             : 
     523             : #define RECORD_OR_UNION_CHECK(T)        \
     524             :   TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
     525             : #define NOT_RECORD_OR_UNION_CHECK(T) \
     526             :   TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
     527             : #define ARRAY_OR_INTEGER_TYPE_CHECK(T)  \
     528             :   TREE_CHECK2 (T, ARRAY_TYPE, INTEGER_TYPE)
     529             : 
     530             : #define NUMERICAL_TYPE_CHECK(T)                                 \
     531             :   TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
     532             :                FIXED_POINT_TYPE)
     533             : 
     534             : /* Here is how primitive or already-canonicalized types' hash codes
     535             :    are made.  */
     536             : #define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
     537             : 
     538             : /* A simple hash function for an arbitrary tree node.  This must not be
     539             :    used in hash tables which are saved to a PCH.  */
     540             : #define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
     541             : 
     542             : /* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR).  */
     543             : #define CONVERT_EXPR_CODE_P(CODE)                               \
     544             :   ((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
     545             : 
     546             : /* Similarly, but accept an expression instead of a tree code.  */
     547             : #define CONVERT_EXPR_P(EXP)     CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
     548             : 
     549             : /* Generate case for NOP_EXPR, CONVERT_EXPR.  */
     550             : 
     551             : #define CASE_CONVERT                                            \
     552             :   case NOP_EXPR:                                                \
     553             :   case CONVERT_EXPR
     554             : 
     555             : /* Given an expression as a tree, strip any conversion that generates
     556             :    no instruction.  Accepts both tree and const_tree arguments since
     557             :    we are not modifying the tree itself.  */
     558             : 
     559             : #define STRIP_NOPS(EXP) \
     560             :   (EXP) = tree_strip_nop_conversions (CONST_CAST_TREE (EXP))
     561             : 
     562             : /* Like STRIP_NOPS, but don't let the signedness change either.  */
     563             : 
     564             : #define STRIP_SIGN_NOPS(EXP) \
     565             :   (EXP) = tree_strip_sign_nop_conversions (CONST_CAST_TREE (EXP))
     566             : 
     567             : /* Like STRIP_NOPS, but don't alter the TREE_TYPE either.  */
     568             : 
     569             : #define STRIP_TYPE_NOPS(EXP) \
     570             :   while ((CONVERT_EXPR_P (EXP)                                  \
     571             :           || TREE_CODE (EXP) == NON_LVALUE_EXPR)                \
     572             :          && TREE_OPERAND (EXP, 0) != error_mark_node            \
     573             :          && (TREE_TYPE (EXP)                                    \
     574             :              == TREE_TYPE (TREE_OPERAND (EXP, 0))))             \
     575             :     (EXP) = TREE_OPERAND (EXP, 0)
     576             : 
     577             : /* Remove unnecessary type conversions according to
     578             :    tree_ssa_useless_type_conversion.  */
     579             : 
     580             : #define STRIP_USELESS_TYPE_CONVERSION(EXP) \
     581             :   (EXP) = tree_ssa_strip_useless_type_conversions (EXP)
     582             : 
     583             : /* Remove any VIEW_CONVERT_EXPR or NON_LVALUE_EXPR that's purely
     584             :    in use to provide a location_t.  */
     585             : 
     586             : #define STRIP_ANY_LOCATION_WRAPPER(EXP) \
     587             :   (EXP) = tree_strip_any_location_wrapper (CONST_CAST_TREE (EXP))
     588             : 
     589             : /* Nonzero if TYPE represents a vector type.  */
     590             : 
     591             : #define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
     592             : 
     593             : /* Nonzero if TYPE represents a vector of booleans.  */
     594             : 
     595             : #define VECTOR_BOOLEAN_TYPE_P(TYPE)                             \
     596             :   (TREE_CODE (TYPE) == VECTOR_TYPE                      \
     597             :    && TREE_CODE (TREE_TYPE (TYPE)) == BOOLEAN_TYPE)
     598             : 
     599             : /* Nonzero if TYPE represents an integral type.  Note that we do not
     600             :    include COMPLEX types here.  Keep these checks in ascending code
     601             :    order.  */
     602             : 
     603             : #define INTEGRAL_TYPE_P(TYPE)  \
     604             :   (TREE_CODE (TYPE) == ENUMERAL_TYPE  \
     605             :    || TREE_CODE (TYPE) == BOOLEAN_TYPE \
     606             :    || TREE_CODE (TYPE) == INTEGER_TYPE)
     607             : 
     608             : /* Nonzero if TYPE represents an integral type, including complex
     609             :    and vector integer types.  */
     610             : 
     611             : #define ANY_INTEGRAL_TYPE_P(TYPE)               \
     612             :   (INTEGRAL_TYPE_P (TYPE)                       \
     613             :    || ((TREE_CODE (TYPE) == COMPLEX_TYPE        \
     614             :         || VECTOR_TYPE_P (TYPE))                \
     615             :        && INTEGRAL_TYPE_P (TREE_TYPE (TYPE))))
     616             : 
     617             : /* Nonzero if TYPE represents a non-saturating fixed-point type.  */
     618             : 
     619             : #define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
     620             :   (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
     621             : 
     622             : /* Nonzero if TYPE represents a saturating fixed-point type.  */
     623             : 
     624             : #define SAT_FIXED_POINT_TYPE_P(TYPE) \
     625             :   (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
     626             : 
     627             : /* Nonzero if TYPE represents a fixed-point type.  */
     628             : 
     629             : #define FIXED_POINT_TYPE_P(TYPE)        (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
     630             : 
     631             : /* Nonzero if TYPE represents a scalar floating-point type.  */
     632             : 
     633             : #define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
     634             : 
     635             : /* Nonzero if TYPE represents a complex floating-point type.  */
     636             : 
     637             : #define COMPLEX_FLOAT_TYPE_P(TYPE)      \
     638             :   (TREE_CODE (TYPE) == COMPLEX_TYPE     \
     639             :    && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
     640             : 
     641             : /* Nonzero if TYPE represents a vector integer type.  */
     642             :                 
     643             : #define VECTOR_INTEGER_TYPE_P(TYPE)                     \
     644             :   (VECTOR_TYPE_P (TYPE)                                 \
     645             :    && TREE_CODE (TREE_TYPE (TYPE)) == INTEGER_TYPE)
     646             : 
     647             : 
     648             : /* Nonzero if TYPE represents a vector floating-point type.  */
     649             : 
     650             : #define VECTOR_FLOAT_TYPE_P(TYPE)       \
     651             :   (VECTOR_TYPE_P (TYPE)                 \
     652             :    && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
     653             : 
     654             : /* Nonzero if TYPE represents a floating-point type, including complex
     655             :    and vector floating-point types.  The vector and complex check does
     656             :    not use the previous two macros to enable early folding.  */
     657             : 
     658             : #define FLOAT_TYPE_P(TYPE)                      \
     659             :   (SCALAR_FLOAT_TYPE_P (TYPE)                   \
     660             :    || ((TREE_CODE (TYPE) == COMPLEX_TYPE        \
     661             :         || VECTOR_TYPE_P (TYPE))                \
     662             :        && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
     663             : 
     664             : /* Nonzero if TYPE represents a decimal floating-point type.  */
     665             : #define DECIMAL_FLOAT_TYPE_P(TYPE)              \
     666             :   (SCALAR_FLOAT_TYPE_P (TYPE)                   \
     667             :    && DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
     668             : 
     669             : /* Nonzero if TYPE is a record or union type.  */
     670             : #define RECORD_OR_UNION_TYPE_P(TYPE)            \
     671             :   (TREE_CODE (TYPE) == RECORD_TYPE              \
     672             :    || TREE_CODE (TYPE) == UNION_TYPE            \
     673             :    || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
     674             : 
     675             : /* Nonzero if TYPE represents an aggregate (multi-component) type.
     676             :    Keep these checks in ascending code order.  */
     677             : 
     678             : #define AGGREGATE_TYPE_P(TYPE) \
     679             :   (TREE_CODE (TYPE) == ARRAY_TYPE || RECORD_OR_UNION_TYPE_P (TYPE))
     680             : 
     681             : /* Nonzero if TYPE represents a pointer or reference type.
     682             :    (It should be renamed to INDIRECT_TYPE_P.)  Keep these checks in
     683             :    ascending code order.  */
     684             : 
     685             : #define POINTER_TYPE_P(TYPE) \
     686             :   (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
     687             : 
     688             : /* Nonzero if TYPE represents a pointer to function.  */
     689             : #define FUNCTION_POINTER_TYPE_P(TYPE) \
     690             :   (POINTER_TYPE_P (TYPE) && TREE_CODE (TREE_TYPE (TYPE)) == FUNCTION_TYPE)
     691             : 
     692             : /* Nonzero if this type is a complete type.  */
     693             : #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
     694             : 
     695             : /* Nonzero if this type is the (possibly qualified) void type.  */
     696             : #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
     697             : 
     698             : /* Nonzero if this type is complete or is cv void.  */
     699             : #define COMPLETE_OR_VOID_TYPE_P(NODE) \
     700             :   (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
     701             : 
     702             : /* Nonzero if this type is complete or is an array with unspecified bound.  */
     703             : #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
     704             :   (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
     705             : 
     706             : #define FUNC_OR_METHOD_TYPE_P(NODE) \
     707             :   (TREE_CODE (NODE) == FUNCTION_TYPE || TREE_CODE (NODE) == METHOD_TYPE)
     708             : 
     709             : #define OPAQUE_TYPE_P(NODE) \
     710             :     (TREE_CODE (NODE) == OPAQUE_TYPE)
     711             : 
     712             : /* Define many boolean fields that all tree nodes have.  */
     713             : 
     714             : /* In VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
     715             :    of this is needed.  So it cannot be in a register.
     716             :    In a FUNCTION_DECL it has no meaning.
     717             :    In LABEL_DECL nodes, it means a goto for this label has been seen
     718             :    from a place outside all binding contours that restore stack levels.
     719             :    In an artificial SSA_NAME that points to a stack partition with at least
     720             :    two variables, it means that at least one variable has TREE_ADDRESSABLE.
     721             :    In ..._TYPE nodes, it means that objects of this type must be fully
     722             :    addressable.  This means that pieces of this object cannot go into
     723             :    register parameters, for example.  If this a function type, this
     724             :    means that the value must be returned in memory.
     725             :    In CONSTRUCTOR nodes, it means object constructed must be in memory.
     726             :    In IDENTIFIER_NODEs, this means that some extern decl for this name
     727             :    had its address taken.  That matters for inline functions.
     728             :    In a STMT_EXPR, it means we want the result of the enclosed expression.  */
     729             : #define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
     730             : 
     731             : /* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
     732             :    exit of a function.  Calls for which this is true are candidates for tail
     733             :    call optimizations.  */
     734             : #define CALL_EXPR_TAILCALL(NODE) \
     735             :   (CALL_EXPR_CHECK (NODE)->base.addressable_flag)
     736             : 
     737             : /* Set on a CALL_EXPR if the call has been marked as requiring tail call
     738             :    optimization for correctness.  */
     739             : #define CALL_EXPR_MUST_TAIL_CALL(NODE) \
     740             :   (CALL_EXPR_CHECK (NODE)->base.static_flag)
     741             : 
     742             : /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
     743             :    CASE_LOW operand has been processed.  */
     744             : #define CASE_LOW_SEEN(NODE) \
     745             :   (CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
     746             : 
     747             : #define PREDICT_EXPR_OUTCOME(NODE) \
     748             :   ((enum prediction) (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag))
     749             : #define SET_PREDICT_EXPR_OUTCOME(NODE, OUTCOME) \
     750             :   (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag = (int) OUTCOME)
     751             : #define PREDICT_EXPR_PREDICTOR(NODE) \
     752             :   ((enum br_predictor)tree_to_shwi (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0)))
     753             : 
     754             : /* In a VAR_DECL, nonzero means allocate static storage.
     755             :    In a FUNCTION_DECL, nonzero if function has been defined.
     756             :    In a CONSTRUCTOR, nonzero means allocate static storage.  */
     757             : #define TREE_STATIC(NODE) ((NODE)->base.static_flag)
     758             : 
     759             : /* In an ADDR_EXPR, nonzero means do not use a trampoline.  */
     760             : #define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
     761             : 
     762             : /* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
     763             :    should only be executed if an exception is thrown, not on normal exit
     764             :    of its scope.  */
     765             : #define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
     766             : 
     767             : /* In a TRY_CATCH_EXPR, means that the handler should be considered a
     768             :    separate cleanup in honor_protect_cleanup_actions.  */
     769             : #define TRY_CATCH_IS_CLEANUP(NODE) \
     770             :   (TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
     771             : 
     772             : /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
     773             :    CASE_HIGH operand has been processed.  */
     774             : #define CASE_HIGH_SEEN(NODE) \
     775             :   (CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
     776             : 
     777             : /* Used to mark scoped enums.  */
     778             : #define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
     779             : 
     780             : /* Determines whether an ENUMERAL_TYPE has defined the list of constants. */
     781             : #define ENUM_IS_OPAQUE(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.private_flag)
     782             : 
     783             : /* In an expr node (usually a conversion) this means the node was made
     784             :    implicitly and should not lead to any sort of warning.  In a decl node,
     785             :    warnings concerning the decl should be suppressed.  This is used at
     786             :    least for used-before-set warnings, and it set after one warning is
     787             :    emitted.  */
     788             : #define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
     789             : 
     790             : /* Nonzero if we should warn about the change in empty class parameter
     791             :    passing ABI in this TU.  */
     792             : #define TRANSLATION_UNIT_WARN_EMPTY_P(NODE) \
     793             :   (TRANSLATION_UNIT_DECL_CHECK (NODE)->decl_common.decl_flag_0)
     794             : 
     795             : /* Nonzero if this type is "empty" according to the particular psABI.  */
     796             : #define TYPE_EMPTY_P(NODE) (TYPE_CHECK (NODE)->type_common.empty_flag)
     797             : 
     798             : /* Used to indicate that this TYPE represents a compiler-generated entity.  */
     799             : #define TYPE_ARTIFICIAL(NODE) (TYPE_CHECK (NODE)->base.nowarning_flag)
     800             : 
     801             : /* True if the type is indivisible at the source level, i.e. if its
     802             :    component parts cannot be accessed directly.  This is used to suppress
     803             :    normal GNU extensions for target-specific vector types.  */
     804             : #define TYPE_INDIVISIBLE_P(NODE) (TYPE_CHECK (NODE)->type_common.indivisible_p)
     805             : 
     806             : /* True if this is a stdarg function with no named arguments (C2x
     807             :    (...) prototype, where arguments can be accessed with va_start and
     808             :    va_arg), as opposed to an unprototyped function.  */
     809             : #define TYPE_NO_NAMED_ARGS_STDARG_P(NODE) \
     810             :   (FUNC_OR_METHOD_CHECK (NODE)->type_common.no_named_args_stdarg_p)
     811             : 
     812             : /* True if this RECORD_TYPE or UNION_TYPE includes a flexible array member
     813             :    as the last field recursively.  */
     814             : #define TYPE_INCLUDES_FLEXARRAY(NODE) \
     815             :   (RECORD_OR_UNION_CHECK (NODE)->type_common.no_named_args_stdarg_p)
     816             : 
     817             : /* In an IDENTIFIER_NODE, this means that assemble_name was called with
     818             :    this string as an argument.  */
     819             : #define TREE_SYMBOL_REFERENCED(NODE) \
     820             :   (IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
     821             : 
     822             : /* Nonzero in a pointer or reference type means the data pointed to
     823             :    by this type can alias anything.  */
     824             : #define TYPE_REF_CAN_ALIAS_ALL(NODE) \
     825             :   (PTR_OR_REF_CHECK (NODE)->base.static_flag)
     826             : 
     827             : /* In an INTEGER_CST, REAL_CST, or COMPLEX_CST, this means
     828             :    there was an overflow in folding.  */
     829             : 
     830             : #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
     831             : 
     832             : /* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P.  */
     833             : 
     834             : #define TREE_OVERFLOW_P(EXPR) \
     835             :  (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
     836             : 
     837             : /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
     838             :    nonzero means name is to be accessible from outside this translation unit.
     839             :    In an IDENTIFIER_NODE, nonzero means an external declaration
     840             :    accessible from outside this translation unit was previously seen
     841             :    for this name in an inner scope.  */
     842             : #define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
     843             : 
     844             : /* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
     845             :    of cached values, or is something else.  */
     846             : #define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK (NODE)->base.public_flag)
     847             : 
     848             : /* In a SAVE_EXPR, indicates that the original expression has already
     849             :    been substituted with a VAR_DECL that contains the value.  */
     850             : #define SAVE_EXPR_RESOLVED_P(NODE) \
     851             :   (SAVE_EXPR_CHECK (NODE)->base.public_flag)
     852             : 
     853             : /* Set on a CALL_EXPR if this stdarg call should be passed the argument
     854             :    pack.  */
     855             : #define CALL_EXPR_VA_ARG_PACK(NODE) \
     856             :   (CALL_EXPR_CHECK (NODE)->base.public_flag)
     857             : 
     858             : /* In any expression, decl, or constant, nonzero means it has side effects or
     859             :    reevaluation of the whole expression could produce a different value.
     860             :    This is set if any subexpression is a function call, a side effect or a
     861             :    reference to a volatile variable.  In a ..._DECL, this is set only if the
     862             :    declaration said `volatile'.  This will never be set for a constant.  */
     863             : #define TREE_SIDE_EFFECTS(NODE) \
     864             :   (NON_TYPE_CHECK (NODE)->base.side_effects_flag)
     865             : 
     866             : /* In a LABEL_DECL, nonzero means this label had its address taken
     867             :    and therefore can never be deleted and is a jump target for
     868             :    computed gotos.  */
     869             : #define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
     870             : 
     871             : /* Whether a case or a user-defined label is allowed to fall through to.
     872             :    This is used to implement -Wimplicit-fallthrough.  */
     873             : #define FALLTHROUGH_LABEL_P(NODE) \
     874             :   (LABEL_DECL_CHECK (NODE)->base.private_flag)
     875             : 
     876             : /* Set on the artificial label created for break; stmt from a switch.
     877             :    This is used to implement -Wimplicit-fallthrough.  */
     878             : #define SWITCH_BREAK_LABEL_P(NODE) \
     879             :   (LABEL_DECL_CHECK (NODE)->base.protected_flag)
     880             : 
     881             : /* Set on label that is known not to be jumped to, it can be only
     882             :    reached by falling through from previous statements.
     883             :    This is used to implement -Wimplicit-fallthrough.  */
     884             : #define UNUSED_LABEL_P(NODE) \
     885             :   (LABEL_DECL_CHECK (NODE)->base.default_def_flag)
     886             : 
     887             : /* Nonzero means this expression is volatile in the C sense:
     888             :    its address should be of type `volatile WHATEVER *'.
     889             :    In other words, the declared item is volatile qualified.
     890             :    This is used in _DECL nodes and _REF nodes.
     891             :    On a FUNCTION_DECL node, this means the function does not
     892             :    return normally.  This is the same effect as setting
     893             :    the attribute noreturn on the function in C.
     894             : 
     895             :    In a ..._TYPE node, means this type is volatile-qualified.
     896             :    But use TYPE_VOLATILE instead of this macro when the node is a type,
     897             :    because eventually we may make that a different bit.
     898             : 
     899             :    If this bit is set in an expression, so is TREE_SIDE_EFFECTS.  */
     900             : #define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
     901             : 
     902             : /* Nonzero means this node will not trap.  In an INDIRECT_REF, means
     903             :    accessing the memory pointed to won't generate a trap.  However,
     904             :    this only applies to an object when used appropriately: it doesn't
     905             :    mean that writing a READONLY mem won't trap.
     906             : 
     907             :    In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
     908             :    (or slice of the array) always belongs to the range of the array.
     909             :    I.e. that the access will not trap, provided that the access to
     910             :    the base to the array will not trap.  */
     911             : #define TREE_THIS_NOTRAP(NODE) \
     912             :   (TREE_CHECK5 (NODE, INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, \
     913             :                 ARRAY_RANGE_REF)->base.nothrow_flag)
     914             : 
     915             : /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
     916             :    nonzero means it may not be the lhs of an assignment.
     917             :    Nonzero in a FUNCTION_DECL means this function should be treated
     918             :    as "const" function (can only read its arguments).  */
     919             : #define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
     920             : 
     921             : /* Value of expression is constant.  Always on in all ..._CST nodes.  May
     922             :    also appear in an expression or decl where the value is constant.  */
     923             : #define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
     924             : 
     925             : /* Nonzero if NODE, a type, has had its sizes gimplified.  */
     926             : #define TYPE_SIZES_GIMPLIFIED(NODE) \
     927             :   (TYPE_CHECK (NODE)->base.constant_flag)
     928             : 
     929             : /* In a decl (most significantly a FIELD_DECL), means an unsigned field.  */
     930             : #define DECL_UNSIGNED(NODE) \
     931             :   (DECL_COMMON_CHECK (NODE)->base.u.bits.unsigned_flag)
     932             : 
     933             : /* In integral and pointer types, means an unsigned type.  */
     934             : #define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.u.bits.unsigned_flag)
     935             : 
     936             : /* Same as TYPE_UNSIGNED but converted to SIGNOP.  */
     937             : #define TYPE_SIGN(NODE) ((signop) TYPE_UNSIGNED (NODE))
     938             : 
     939             : /* True if overflow wraps around for the given integral or pointer type.  That
     940             :    is, TYPE_MAX + 1 == TYPE_MIN.  */
     941             : #define TYPE_OVERFLOW_WRAPS(TYPE) \
     942             :   (POINTER_TYPE_P (TYPE)                                        \
     943             :    ? flag_wrapv_pointer                                         \
     944             :    : (ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag       \
     945             :       || flag_wrapv))
     946             : 
     947             : /* True if overflow is undefined for the given integral or pointer type.
     948             :    We may optimize on the assumption that values in the type never overflow.
     949             : 
     950             :    IMPORTANT NOTE: Any optimization based on TYPE_OVERFLOW_UNDEFINED
     951             :    must issue a warning based on warn_strict_overflow.  In some cases
     952             :    it will be appropriate to issue the warning immediately, and in
     953             :    other cases it will be appropriate to simply set a flag and let the
     954             :    caller decide whether a warning is appropriate or not.  */
     955             : #define TYPE_OVERFLOW_UNDEFINED(TYPE)                           \
     956             :   (POINTER_TYPE_P (TYPE)                                        \
     957             :    ? !flag_wrapv_pointer                                        \
     958             :    : (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag      \
     959             :       && !flag_wrapv && !flag_trapv))
     960             : 
     961             : /* True if overflow for the given integral type should issue a
     962             :    trap.  */
     963             : #define TYPE_OVERFLOW_TRAPS(TYPE) \
     964             :   (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag && flag_trapv)
     965             : 
     966             : /* True if an overflow is to be preserved for sanitization.  */
     967             : #define TYPE_OVERFLOW_SANITIZED(TYPE)                   \
     968             :   (INTEGRAL_TYPE_P (TYPE)                               \
     969             :    && !TYPE_OVERFLOW_WRAPS (TYPE)                       \
     970             :    && (flag_sanitize & SANITIZE_SI_OVERFLOW))
     971             : 
     972             : /* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
     973             :    Nonzero in a FUNCTION_DECL means that the function has been compiled.
     974             :    This is interesting in an inline function, since it might not need
     975             :    to be compiled separately.
     976             :    Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ENUMERAL_TYPE
     977             :    or TYPE_DECL if the debugging info for the type has been written.
     978             :    In a BLOCK node, nonzero if reorder_blocks has already seen this block.
     979             :    In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
     980             :    PHI node.  */
     981             : #define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
     982             : 
     983             : /* Nonzero in a _DECL if the name is used in its scope.
     984             :    Nonzero in an expr node means inhibit warning if value is unused.
     985             :    In IDENTIFIER_NODEs, this means that some extern decl for this name
     986             :    was used.
     987             :    In a BLOCK, this means that the block contains variables that are used.  */
     988             : #define TREE_USED(NODE) ((NODE)->base.used_flag)
     989             : 
     990             : /* In a FUNCTION_DECL, nonzero means a call to the function cannot
     991             :    throw an exception.  In a CALL_EXPR, nonzero means the call cannot
     992             :    throw.  We can't easily check the node type here as the C++
     993             :    frontend also uses this flag (for AGGR_INIT_EXPR).  */
     994             : #define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
     995             : 
     996             : /* In a CALL_EXPR, means that it's safe to use the target of the call
     997             :    expansion as the return slot for a call that returns in memory.  */
     998             : #define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
     999             :   (CALL_EXPR_CHECK (NODE)->base.private_flag)
    1000             : 
    1001             : /* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that it is
    1002             :    passed by invisible reference (and the TREE_TYPE is a pointer to the true
    1003             :    type).  */
    1004             : #define DECL_BY_REFERENCE(NODE) \
    1005             :   (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
    1006             :                 RESULT_DECL)->decl_common.decl_by_reference_flag)
    1007             : 
    1008             : /* In VAR_DECL and PARM_DECL, set when the decl has been used except for
    1009             :    being set.  */
    1010             : #define DECL_READ_P(NODE) \
    1011             :   (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
    1012             : 
    1013             : /* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
    1014             :    attempting to share the stack slot with some other variable.  */
    1015             : #define DECL_NONSHAREABLE(NODE) \
    1016             :   (TREE_CHECK2 (NODE, VAR_DECL, \
    1017             :                 RESULT_DECL)->decl_common.decl_nonshareable_flag)
    1018             : 
    1019             : /* In a PARM_DECL, set for Fortran hidden string length arguments that some
    1020             :    buggy callers don't pass to the callee.  */
    1021             : #define DECL_HIDDEN_STRING_LENGTH(NODE) \
    1022             :   (TREE_CHECK (NODE, PARM_DECL)->decl_common.decl_nonshareable_flag)
    1023             : 
    1024             : /* In a CALL_EXPR, means that the call is the jump from a thunk to the
    1025             :    thunked-to function.  Be careful to avoid using this macro when one of the
    1026             :    next two applies instead.  */
    1027             : #define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1028             : 
    1029             : /* In a CALL_EXPR, if the function being called is BUILT_IN_ALLOCA, means that
    1030             :    it has been built for the declaration of a variable-sized object and, if the
    1031             :    function being called is BUILT_IN_MEMCPY, means that it has been built for
    1032             :    the assignment of a variable-sized object.  */
    1033             : #define CALL_ALLOCA_FOR_VAR_P(NODE) \
    1034             :   (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1035             : 
    1036             : /* In a CALL_EXPR, if the function being called is DECL_IS_OPERATOR_NEW_P or
    1037             :    DECL_IS_OPERATOR_DELETE_P, true for allocator calls from C++ new or delete
    1038             :    expressions.  Not set for C++20 destroying delete operators.  */
    1039             : #define CALL_FROM_NEW_OR_DELETE_P(NODE) \
    1040             :   (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1041             : 
    1042             : /* Used in classes in C++.  */
    1043             : #define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
    1044             : /* Used in classes in C++. */
    1045             : #define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
    1046             : 
    1047             : /* True if reference type NODE is a C++ rvalue reference.  */
    1048             : #define TYPE_REF_IS_RVALUE(NODE) \
    1049             :   (REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
    1050             : 
    1051             : /* Nonzero in a _DECL if the use of the name is defined as a
    1052             :    deprecated feature by __attribute__((deprecated)).  */
    1053             : #define TREE_DEPRECATED(NODE) \
    1054             :   ((NODE)->base.deprecated_flag)
    1055             : 
    1056             : /* Nonzero in a _DECL if the use of the name is defined as an
    1057             :    unavailable feature by __attribute__((unavailable)).  */
    1058             : #define TREE_UNAVAILABLE(NODE) \
    1059             :   ((NODE)->base.u.bits.unavailable_flag)
    1060             : 
    1061             : /* Nonzero indicates an IDENTIFIER_NODE that names an anonymous
    1062             :    aggregate, (as created by anon_aggr_name_format).  */
    1063             : #define IDENTIFIER_ANON_P(NODE) \
    1064             :   (IDENTIFIER_NODE_CHECK (NODE)->base.private_flag)
    1065             : 
    1066             : /* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
    1067             :    uses are to be substituted for uses of the TREE_CHAINed identifier.  */
    1068             : #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
    1069             :   (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
    1070             : 
    1071             : /* In an aggregate type, indicates that the scalar fields of the type are
    1072             :    stored in reverse order from the target order.  This effectively
    1073             :    toggles BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN within the type.  */
    1074             : #define TYPE_REVERSE_STORAGE_ORDER(NODE) \
    1075             :   (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
    1076             : 
    1077             : /* In a non-aggregate type, indicates a saturating type.  */
    1078             : #define TYPE_SATURATING(NODE) \
    1079             :   (TREE_NOT_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
    1080             : 
    1081             : /* In a BIT_FIELD_REF and MEM_REF, indicates that the reference is to a group
    1082             :    of bits stored in reverse order from the target order.  This effectively
    1083             :    toggles both BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN for the reference.
    1084             : 
    1085             :    The overall strategy is to preserve the invariant that every scalar in
    1086             :    memory is associated with a single storage order, i.e. all accesses to
    1087             :    this scalar are done with the same storage order.  This invariant makes
    1088             :    it possible to factor out the storage order in most transformations, as
    1089             :    only the address and/or the value (in target order) matter for them.
    1090             :    But, of course, the storage order must be preserved when the accesses
    1091             :    themselves are rewritten or transformed.  */
    1092             : #define REF_REVERSE_STORAGE_ORDER(NODE) \
    1093             :   (TREE_CHECK2 (NODE, BIT_FIELD_REF, MEM_REF)->base.default_def_flag)
    1094             : 
    1095             :   /* In an ADDR_EXPR, indicates that this is a pointer to nested function
    1096             :    represented by a descriptor instead of a trampoline.  */
    1097             : #define FUNC_ADDR_BY_DESCRIPTOR(NODE) \
    1098             :   (TREE_CHECK (NODE, ADDR_EXPR)->base.default_def_flag)
    1099             : 
    1100             : /* In a CALL_EXPR, indicates that this is an indirect call for which
    1101             :    pointers to nested function are descriptors instead of trampolines.  */
    1102             : #define CALL_EXPR_BY_DESCRIPTOR(NODE) \
    1103             :   (TREE_CHECK (NODE, CALL_EXPR)->base.default_def_flag)
    1104             : 
    1105             : /* These flags are available for each language front end to use internally.  */
    1106             : #define TREE_LANG_FLAG_0(NODE) \
    1107             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_0)
    1108             : #define TREE_LANG_FLAG_1(NODE) \
    1109             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_1)
    1110             : #define TREE_LANG_FLAG_2(NODE) \
    1111             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_2)
    1112             : #define TREE_LANG_FLAG_3(NODE) \
    1113             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_3)
    1114             : #define TREE_LANG_FLAG_4(NODE) \
    1115             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_4)
    1116             : #define TREE_LANG_FLAG_5(NODE) \
    1117             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_5)
    1118             : #define TREE_LANG_FLAG_6(NODE) \
    1119             :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_6)
    1120             : 
    1121             : /* Define additional fields and accessors for nodes representing constants.  */
    1122             : 
    1123             : #define TREE_INT_CST_NUNITS(NODE) \
    1124             :   (INTEGER_CST_CHECK (NODE)->base.u.int_length.unextended)
    1125             : #define TREE_INT_CST_EXT_NUNITS(NODE) \
    1126             :   (INTEGER_CST_CHECK (NODE)->base.u.int_length.extended)
    1127             : #define TREE_INT_CST_OFFSET_NUNITS(NODE) \
    1128             :   (INTEGER_CST_CHECK (NODE)->base.u.int_length.offset)
    1129             : #define TREE_INT_CST_ELT(NODE, I) TREE_INT_CST_ELT_CHECK (NODE, I)
    1130             : #define TREE_INT_CST_LOW(NODE) \
    1131             :   ((unsigned HOST_WIDE_INT) TREE_INT_CST_ELT (NODE, 0))
    1132             : 
    1133             : /* Return true if NODE is a POLY_INT_CST.  This is only ever true on
    1134             :    targets with variable-sized modes.  */
    1135             : #define POLY_INT_CST_P(NODE) \
    1136             :   (NUM_POLY_INT_COEFFS > 1 && TREE_CODE (NODE) == POLY_INT_CST)
    1137             : 
    1138             : /* In a POLY_INT_CST node.  */
    1139             : #define POLY_INT_CST_COEFF(NODE, I) \
    1140             :   (POLY_INT_CST_CHECK (NODE)->poly_int_cst.coeffs[I])
    1141             : 
    1142             : #define TREE_REAL_CST_PTR(NODE) (&REAL_CST_CHECK (NODE)->real_cst.value)
    1143             : #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
    1144             : 
    1145             : #define TREE_FIXED_CST_PTR(NODE) \
    1146             :   (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
    1147             : #define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
    1148             : 
    1149             : /* In a STRING_CST */
    1150             : /* In C terms, this is sizeof, not strlen.  */
    1151             : #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
    1152             : #define TREE_STRING_POINTER(NODE) \
    1153             :   ((const char *)(STRING_CST_CHECK (NODE)->string.str))
    1154             : 
    1155             : /* In a COMPLEX_CST node.  */
    1156             : #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
    1157             : #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
    1158             : 
    1159             : /* In a VECTOR_CST node.  See generic.texi for details.  */
    1160             : #define VECTOR_CST_NELTS(NODE) (TYPE_VECTOR_SUBPARTS (TREE_TYPE (NODE)))
    1161             : #define VECTOR_CST_ELT(NODE,IDX) vector_cst_elt (NODE, IDX)
    1162             : 
    1163             : #define VECTOR_CST_LOG2_NPATTERNS(NODE) \
    1164             :   (VECTOR_CST_CHECK (NODE)->base.u.vector_cst.log2_npatterns)
    1165             : #define VECTOR_CST_NPATTERNS(NODE) \
    1166             :   (1U << VECTOR_CST_LOG2_NPATTERNS (NODE))
    1167             : #define VECTOR_CST_NELTS_PER_PATTERN(NODE) \
    1168             :   (VECTOR_CST_CHECK (NODE)->base.u.vector_cst.nelts_per_pattern)
    1169             : #define VECTOR_CST_DUPLICATE_P(NODE) \
    1170             :   (VECTOR_CST_NELTS_PER_PATTERN (NODE) == 1)
    1171             : #define VECTOR_CST_STEPPED_P(NODE) \
    1172             :   (VECTOR_CST_NELTS_PER_PATTERN (NODE) == 3)
    1173             : #define VECTOR_CST_ENCODED_ELTS(NODE) \
    1174             :   (VECTOR_CST_CHECK (NODE)->vector.elts)
    1175             : #define VECTOR_CST_ENCODED_ELT(NODE, ELT) \
    1176             :   (VECTOR_CST_CHECK (NODE)->vector.elts[ELT])
    1177             : 
    1178             : /* Define fields and accessors for some special-purpose tree nodes.  */
    1179             : 
    1180             : /* Unlike STRING_CST, in C terms this is strlen, not sizeof.  */
    1181             : #define IDENTIFIER_LENGTH(NODE) \
    1182             :   (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
    1183             : #define IDENTIFIER_POINTER(NODE) \
    1184             :   ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
    1185             : #define IDENTIFIER_HASH_VALUE(NODE) \
    1186             :   (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
    1187             : 
    1188             : /* Translate a hash table identifier pointer to a tree_identifier
    1189             :    pointer, and vice versa.  */
    1190             : 
    1191             : #define HT_IDENT_TO_GCC_IDENT(NODE) \
    1192             :   ((tree) ((char *) (NODE) - sizeof (struct tree_common)))
    1193             : #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
    1194             : 
    1195             : /* In a TREE_LIST node.  */
    1196             : #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
    1197             : #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
    1198             : 
    1199             : /* In a TREE_VEC node.  */
    1200             : #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->base.u.length)
    1201             : #define TREE_VEC_BEGIN(NODE) (&TREE_VEC_CHECK (NODE)->vec.a[0])
    1202             : #define TREE_VEC_END(NODE) \
    1203             :   ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->base.u.length]))
    1204             : 
    1205             : #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
    1206             : 
    1207             : /* In a CONSTRUCTOR node.  */
    1208             : #define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
    1209             : #define CONSTRUCTOR_ELT(NODE,IDX) \
    1210             :   (&(*CONSTRUCTOR_ELTS (NODE))[IDX])
    1211             : #define CONSTRUCTOR_NELTS(NODE) \
    1212             :   (vec_safe_length (CONSTRUCTOR_ELTS (NODE)))
    1213             : #define CONSTRUCTOR_NO_CLEARING(NODE) \
    1214             :   (CONSTRUCTOR_CHECK (NODE)->base.public_flag)
    1215             : 
    1216             : /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
    1217             :    value of each element (stored within VAL). IX must be a scratch variable
    1218             :    of unsigned integer type.  */
    1219             : #define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
    1220             :   for (IX = 0; (IX >= vec_safe_length (V)) \
    1221             :                ? false \
    1222             :                : ((VAL = (*(V))[IX].value), \
    1223             :                true); \
    1224             :        (IX)++)
    1225             : 
    1226             : /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
    1227             :    the value of each element (stored within VAL) and its index (stored
    1228             :    within INDEX). IX must be a scratch variable of unsigned integer type.  */
    1229             : #define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
    1230             :   for (IX = 0; (IX >= vec_safe_length (V)) \
    1231             :                ? false \
    1232             :                : (((void) (VAL = (*V)[IX].value)), \
    1233             :                   (INDEX = (*V)[IX].index), \
    1234             :                   true); \
    1235             :        (IX)++)
    1236             : 
    1237             : /* Append a new constructor element to V, with the specified INDEX and VAL.  */
    1238             : #define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
    1239             :   do { \
    1240             :     constructor_elt _ce___ = {INDEX, VALUE}; \
    1241             :     vec_safe_push ((V), _ce___); \
    1242             :   } while (0)
    1243             : 
    1244             : /* True if NODE, a FIELD_DECL, is to be processed as a bitfield for
    1245             :    constructor output purposes.  */
    1246             : #define CONSTRUCTOR_BITFIELD_P(NODE) \
    1247             :   (DECL_BIT_FIELD (FIELD_DECL_CHECK (NODE)) && DECL_MODE (NODE) != BLKmode)
    1248             : 
    1249             : /* True if NODE is a clobber right hand side, an expression of indeterminate
    1250             :    value that clobbers the LHS in a copy instruction.  We use a volatile
    1251             :    empty CONSTRUCTOR for this, as it matches most of the necessary semantic.
    1252             :    In particular the volatile flag causes us to not prematurely remove
    1253             :    such clobber instructions.  */
    1254             : #define TREE_CLOBBER_P(NODE) \
    1255             :   (TREE_CODE (NODE) == CONSTRUCTOR && TREE_THIS_VOLATILE (NODE))
    1256             : 
    1257             : /* Return the clobber_kind of a CLOBBER CONSTRUCTOR.  */
    1258             : #define CLOBBER_KIND(NODE) \
    1259             :   (CONSTRUCTOR_CHECK (NODE)->base.u.bits.address_space)
    1260             : 
    1261             : /* Define fields and accessors for some nodes that represent expressions.  */
    1262             : 
    1263             : /* Nonzero if NODE is an empty statement (NOP_EXPR <0>).  */
    1264             : #define IS_EMPTY_STMT(NODE)     (TREE_CODE (NODE) == NOP_EXPR \
    1265             :                                  && VOID_TYPE_P (TREE_TYPE (NODE)) \
    1266             :                                  && integer_zerop (TREE_OPERAND (NODE, 0)))
    1267             : 
    1268             : /* In ordinary expression nodes.  */
    1269             : #define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
    1270             : #define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
    1271             : 
    1272             : /* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
    1273             :    length.  Its value includes the length operand itself; that is,
    1274             :    the minimum valid length is 1.
    1275             :    Note that we have to bypass the use of TREE_OPERAND to access
    1276             :    that field to avoid infinite recursion in expanding the macros.  */
    1277             : #define VL_EXP_OPERAND_LENGTH(NODE) \
    1278             :   ((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
    1279             : 
    1280             : /* Nonzero if gimple_debug_nonbind_marker_p() may possibly hold.  */
    1281             : #define MAY_HAVE_DEBUG_MARKER_STMTS debug_nonbind_markers_p
    1282             : /* Nonzero if gimple_debug_bind_p() (and thus
    1283             :    gimple_debug_source_bind_p()) may possibly hold.  */
    1284             : #define MAY_HAVE_DEBUG_BIND_STMTS flag_var_tracking_assignments
    1285             : /* Nonzero if is_gimple_debug() may possibly hold.  */
    1286             : #define MAY_HAVE_DEBUG_STMTS                                    \
    1287             :   (MAY_HAVE_DEBUG_MARKER_STMTS || MAY_HAVE_DEBUG_BIND_STMTS)
    1288             : 
    1289             : /* In a LOOP_EXPR node.  */
    1290             : #define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
    1291             : 
    1292             : /* The source location of this expression.  Non-tree_exp nodes such as
    1293             :    decls and constants can be shared among multiple locations, so
    1294             :    return nothing.  */
    1295             : #define EXPR_LOCATION(NODE) \
    1296             :   (CAN_HAVE_LOCATION_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
    1297             : #define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
    1298             : #define EXPR_HAS_LOCATION(NODE) (LOCATION_LOCUS (EXPR_LOCATION (NODE))  \
    1299             :   != UNKNOWN_LOCATION)
    1300             : /* The location to be used in a diagnostic about this expression.  Do not
    1301             :    use this macro if the location will be assigned to other expressions.  */
    1302             : #define EXPR_LOC_OR_LOC(NODE, LOCUS) (EXPR_HAS_LOCATION (NODE) \
    1303             :                                       ? (NODE)->exp.locus : (LOCUS))
    1304             : #define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
    1305             : #define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
    1306             : 
    1307             : #define CAN_HAVE_RANGE_P(NODE) (CAN_HAVE_LOCATION_P (NODE))
    1308             : #define EXPR_LOCATION_RANGE(NODE) (get_expr_source_range (EXPR_CHECK ((NODE))))
    1309             : 
    1310             : #define EXPR_HAS_RANGE(NODE) \
    1311             :     (CAN_HAVE_RANGE_P (NODE) \
    1312             :      ? EXPR_LOCATION_RANGE (NODE).m_start != UNKNOWN_LOCATION \
    1313             :      : false)
    1314             : 
    1315             : /* True if a tree is an expression or statement that can have a
    1316             :    location.  */
    1317             : #define CAN_HAVE_LOCATION_P(NODE) ((NODE) && EXPR_P (NODE))
    1318             : 
    1319             : inline source_range
    1320             : get_expr_source_range (tree expr)
    1321             : {
    1322             :   location_t loc = EXPR_LOCATION (expr);
    1323             :   return get_range_from_loc (line_table, loc);
    1324             : }
    1325             : 
    1326             : extern void protected_set_expr_location (tree, location_t);
    1327             : extern void protected_set_expr_location_if_unset (tree, location_t);
    1328             : ATTRIBUTE_WARN_UNUSED_RESULT
    1329             : extern tree protected_set_expr_location_unshare (tree, location_t);
    1330             : 
    1331             : WARN_UNUSED_RESULT extern tree maybe_wrap_with_location (tree, location_t);
    1332             : 
    1333             : extern int suppress_location_wrappers;
    1334             : 
    1335             : /* A class for suppressing the creation of location wrappers.
    1336             :    Location wrappers will not be created during the lifetime
    1337             :    of an instance of this class.  */
    1338             : 
    1339             : class auto_suppress_location_wrappers
    1340             : {
    1341             :  public:
    1342   980567082 :   auto_suppress_location_wrappers () { ++suppress_location_wrappers; }
    1343       25824 :   ~auto_suppress_location_wrappers () { --suppress_location_wrappers; }
    1344             : };
    1345             : 
    1346             : /* In a TARGET_EXPR node.  */
    1347             : #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
    1348             : #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
    1349             : #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
    1350             : /* Don't elide the initialization of TARGET_EXPR_SLOT for this TARGET_EXPR
    1351             :    on rhs of MODIFY_EXPR.  */
    1352             : #define TARGET_EXPR_NO_ELIDE(NODE) (TARGET_EXPR_CHECK (NODE)->base.private_flag)
    1353             : 
    1354             : /* DECL_EXPR accessor. This gives access to the DECL associated with
    1355             :    the given declaration statement.  */
    1356             : #define DECL_EXPR_DECL(NODE)    TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
    1357             : 
    1358             : #define EXIT_EXPR_COND(NODE)         TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
    1359             : 
    1360             : /* COMPOUND_LITERAL_EXPR accessors.  */
    1361             : #define COMPOUND_LITERAL_EXPR_DECL_EXPR(NODE)           \
    1362             :   TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
    1363             : #define COMPOUND_LITERAL_EXPR_DECL(NODE)                        \
    1364             :   DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_EXPR (NODE))
    1365             : 
    1366             : /* SWITCH_EXPR accessors. These give access to the condition and body.  */
    1367             : #define SWITCH_COND(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
    1368             : #define SWITCH_BODY(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
    1369             : /* True if there are case labels for all possible values of SWITCH_COND, either
    1370             :    because there is a default: case label or because the case label ranges cover
    1371             :    all values.  */
    1372             : #define SWITCH_ALL_CASES_P(NODE) (SWITCH_EXPR_CHECK (NODE)->base.private_flag)
    1373             : 
    1374             : /* CASE_LABEL_EXPR accessors. These give access to the high and low values
    1375             :    of a case label, respectively.  */
    1376             : #define CASE_LOW(NODE)                  TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
    1377             : #define CASE_HIGH(NODE)                 TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
    1378             : #define CASE_LABEL(NODE)                TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
    1379             : #define CASE_CHAIN(NODE)                TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 3)
    1380             : 
    1381             : /* The operands of a TARGET_MEM_REF.  Operands 0 and 1 have to match
    1382             :    corresponding MEM_REF operands.  */
    1383             : #define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
    1384             : #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
    1385             : #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
    1386             : #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
    1387             : #define TMR_INDEX2(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
    1388             : 
    1389             : #define MR_DEPENDENCE_CLIQUE(NODE) \
    1390             :   (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.clique)
    1391             : #define MR_DEPENDENCE_BASE(NODE) \
    1392             :   (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.base)
    1393             : 
    1394             : /* The operands of a BIND_EXPR.  */
    1395             : #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
    1396             : #define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
    1397             : #define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
    1398             : 
    1399             : /* GOTO_EXPR accessor. This gives access to the label associated with
    1400             :    a goto statement.  */
    1401             : #define GOTO_DESTINATION(NODE)  TREE_OPERAND (GOTO_EXPR_CHECK (NODE), 0)
    1402             : 
    1403             : /* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
    1404             :    instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
    1405             :    ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
    1406             :    statement.  */
    1407             : #define ASM_STRING(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
    1408             : #define ASM_OUTPUTS(NODE)       TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
    1409             : #define ASM_INPUTS(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
    1410             : #define ASM_CLOBBERS(NODE)      TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
    1411             : #define ASM_LABELS(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
    1412             : /* Nonzero if we want to create an ASM_INPUT instead of an
    1413             :    ASM_OPERAND with no operands.  */
    1414             : #define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
    1415             : #define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
    1416             : /* Nonzero if we want to consider this asm as minimum length and cost
    1417             :    for inlining decisions.  */
    1418             : #define ASM_INLINE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.protected_flag)
    1419             : 
    1420             : /* COND_EXPR accessors.  */
    1421             : #define COND_EXPR_COND(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
    1422             : #define COND_EXPR_THEN(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
    1423             : #define COND_EXPR_ELSE(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
    1424             : 
    1425             : /* Accessors for the chains of recurrences.  */
    1426             : #define CHREC_LEFT(NODE)          TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
    1427             : #define CHREC_RIGHT(NODE)         TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
    1428             : #define CHREC_VARIABLE(NODE)      POLYNOMIAL_CHREC_CHECK (NODE)->base.u.chrec_var
    1429             : 
    1430             : /* LABEL_EXPR accessor. This gives access to the label associated with
    1431             :    the given label expression.  */
    1432             : #define LABEL_EXPR_LABEL(NODE)  TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
    1433             : 
    1434             : /* CATCH_EXPR accessors.  */
    1435             : #define CATCH_TYPES(NODE)       TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
    1436             : #define CATCH_BODY(NODE)        TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
    1437             : 
    1438             : /* EH_FILTER_EXPR accessors.  */
    1439             : #define EH_FILTER_TYPES(NODE)   TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
    1440             : #define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
    1441             : 
    1442             : /* OBJ_TYPE_REF accessors.  */
    1443             : #define OBJ_TYPE_REF_EXPR(NODE)   TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
    1444             : #define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
    1445             : #define OBJ_TYPE_REF_TOKEN(NODE)  TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
    1446             : 
    1447             : /* CALL_EXPR accessors.  */
    1448             : #define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
    1449             : #define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
    1450             : #define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
    1451             : #define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH (NODE) - 3)
    1452             : #define CALL_EXPR_IFN(NODE) (CALL_EXPR_CHECK (NODE)->base.u.ifn)
    1453             : 
    1454             : /* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
    1455             :    We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
    1456             :    the argument count is zero when checking is enabled.  Instead, do
    1457             :    the pointer arithmetic to advance past the 3 fixed operands in a
    1458             :    CALL_EXPR.  That produces a valid pointer to just past the end of the
    1459             :    operand array, even if it's not valid to dereference it.  */
    1460             : #define CALL_EXPR_ARGP(NODE) \
    1461             :   (&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
    1462             : 
    1463             : /* TM directives and accessors.  */
    1464             : #define TRANSACTION_EXPR_BODY(NODE) \
    1465             :   TREE_OPERAND (TRANSACTION_EXPR_CHECK (NODE), 0)
    1466             : #define TRANSACTION_EXPR_OUTER(NODE) \
    1467             :   (TRANSACTION_EXPR_CHECK (NODE)->base.static_flag)
    1468             : #define TRANSACTION_EXPR_RELAXED(NODE) \
    1469             :   (TRANSACTION_EXPR_CHECK (NODE)->base.public_flag)
    1470             : 
    1471             : /* OpenMP and OpenACC directive and clause accessors.  */
    1472             : 
    1473             : /* Generic accessors for OMP nodes that keep the body as operand 0, and clauses
    1474             :    as operand 1.  */
    1475             : #define OMP_BODY(NODE) \
    1476             :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_MASTER), 0)
    1477             : #define OMP_CLAUSES(NODE) \
    1478             :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_SCAN), 1)
    1479             : 
    1480             : /* Generic accessors for OMP nodes that keep clauses as operand 0.  */
    1481             : #define OMP_STANDALONE_CLAUSES(NODE) \
    1482             :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_CACHE, OMP_TARGET_EXIT_DATA), 0)
    1483             : 
    1484             : #define OACC_DATA_BODY(NODE) \
    1485             :   TREE_OPERAND (OACC_DATA_CHECK (NODE), 0)
    1486             : #define OACC_DATA_CLAUSES(NODE) \
    1487             :   TREE_OPERAND (OACC_DATA_CHECK (NODE), 1)
    1488             : 
    1489             : #define OACC_HOST_DATA_BODY(NODE) \
    1490             :   TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 0)
    1491             : #define OACC_HOST_DATA_CLAUSES(NODE) \
    1492             :   TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 1)
    1493             : 
    1494             : #define OACC_CACHE_CLAUSES(NODE) \
    1495             :   TREE_OPERAND (OACC_CACHE_CHECK (NODE), 0)
    1496             : 
    1497             : #define OACC_DECLARE_CLAUSES(NODE) \
    1498             :   TREE_OPERAND (OACC_DECLARE_CHECK (NODE), 0)
    1499             : 
    1500             : #define OACC_ENTER_DATA_CLAUSES(NODE) \
    1501             :   TREE_OPERAND (OACC_ENTER_DATA_CHECK (NODE), 0)
    1502             : 
    1503             : #define OACC_EXIT_DATA_CLAUSES(NODE) \
    1504             :   TREE_OPERAND (OACC_EXIT_DATA_CHECK (NODE), 0)
    1505             : 
    1506             : #define OACC_UPDATE_CLAUSES(NODE) \
    1507             :   TREE_OPERAND (OACC_UPDATE_CHECK (NODE), 0)
    1508             : 
    1509             : #define OMP_PARALLEL_BODY(NODE)    TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
    1510             : #define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
    1511             : 
    1512             : #define OMP_TASK_BODY(NODE)        TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
    1513             : #define OMP_TASK_CLAUSES(NODE)     TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
    1514             : 
    1515             : #define OMP_TASKREG_CHECK(NODE)   TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
    1516             : #define OMP_TASKREG_BODY(NODE)    TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
    1517             : #define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
    1518             : 
    1519             : #define OMP_LOOPING_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_FOR, OACC_LOOP)
    1520             : #define OMP_FOR_BODY(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 0)
    1521             : #define OMP_FOR_CLAUSES(NODE)      TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 1)
    1522             : #define OMP_FOR_INIT(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 2)
    1523             : #define OMP_FOR_COND(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 3)
    1524             : #define OMP_FOR_INCR(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 4)
    1525             : #define OMP_FOR_PRE_BODY(NODE)     TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 5)
    1526             : #define OMP_FOR_ORIG_DECLS(NODE)   TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 6)
    1527             : 
    1528             : #define OMP_SECTIONS_BODY(NODE)    TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
    1529             : #define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
    1530             : 
    1531             : #define OMP_SECTION_BODY(NODE)     TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
    1532             : 
    1533             : #define OMP_SINGLE_BODY(NODE)      TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
    1534             : #define OMP_SINGLE_CLAUSES(NODE)   TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
    1535             : 
    1536             : #define OMP_SCOPE_BODY(NODE)       TREE_OPERAND (OMP_SCOPE_CHECK (NODE), 0)
    1537             : #define OMP_SCOPE_CLAUSES(NODE)    TREE_OPERAND (OMP_SCOPE_CHECK (NODE), 1)
    1538             : 
    1539             : #define OMP_MASTER_BODY(NODE)      TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
    1540             : 
    1541             : #define OMP_MASKED_BODY(NODE)      TREE_OPERAND (OMP_MASKED_CHECK (NODE), 0)
    1542             : #define OMP_MASKED_CLAUSES(NODE)   TREE_OPERAND (OMP_MASKED_CHECK (NODE), 1)
    1543             : 
    1544             : #define OMP_TASKGROUP_BODY(NODE)   TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 0)
    1545             : #define OMP_TASKGROUP_CLAUSES(NODE) \
    1546             :   TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 1)
    1547             : 
    1548             : #define OMP_ORDERED_BODY(NODE)     TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
    1549             : #define OMP_ORDERED_CLAUSES(NODE)  TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 1)
    1550             : 
    1551             : #define OMP_CRITICAL_BODY(NODE)    TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
    1552             : #define OMP_CRITICAL_CLAUSES(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
    1553             : #define OMP_CRITICAL_NAME(NODE)    TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 2)
    1554             : 
    1555             : #define OMP_TEAMS_BODY(NODE)       TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 0)
    1556             : #define OMP_TEAMS_CLAUSES(NODE)    TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 1)
    1557             : 
    1558             : #define OMP_TARGET_DATA_BODY(NODE) \
    1559             :   TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 0)
    1560             : #define OMP_TARGET_DATA_CLAUSES(NODE)\
    1561             :   TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 1)
    1562             : 
    1563             : #define OMP_TARGET_BODY(NODE)      TREE_OPERAND (OMP_TARGET_CHECK (NODE), 0)
    1564             : #define OMP_TARGET_CLAUSES(NODE)   TREE_OPERAND (OMP_TARGET_CHECK (NODE), 1)
    1565             : 
    1566             : #define OMP_TARGET_UPDATE_CLAUSES(NODE)\
    1567             :   TREE_OPERAND (OMP_TARGET_UPDATE_CHECK (NODE), 0)
    1568             : 
    1569             : #define OMP_TARGET_ENTER_DATA_CLAUSES(NODE)\
    1570             :   TREE_OPERAND (OMP_TARGET_ENTER_DATA_CHECK (NODE), 0)
    1571             : 
    1572             : #define OMP_TARGET_EXIT_DATA_CLAUSES(NODE)\
    1573             :   TREE_OPERAND (OMP_TARGET_EXIT_DATA_CHECK (NODE), 0)
    1574             : 
    1575             : #define OMP_SCAN_BODY(NODE)     TREE_OPERAND (OMP_SCAN_CHECK (NODE), 0)
    1576             : #define OMP_SCAN_CLAUSES(NODE)  TREE_OPERAND (OMP_SCAN_CHECK (NODE), 1)
    1577             : 
    1578             : #define OMP_CLAUSE_SIZE(NODE)                                           \
    1579             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1580             :                                               OMP_CLAUSE_FROM,          \
    1581             :                                               OMP_CLAUSE__CACHE_), 1)
    1582             : 
    1583             : #define OMP_CLAUSE_CHAIN(NODE)     TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
    1584             : #define OMP_CLAUSE_DECL(NODE)                                           \
    1585             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1586             :                                               OMP_CLAUSE_PRIVATE,       \
    1587             :                                               OMP_CLAUSE__SCANTEMP_), 0)
    1588             : #define OMP_CLAUSE_HAS_LOCATION(NODE) \
    1589             :   (LOCATION_LOCUS ((OMP_CLAUSE_CHECK (NODE))->omp_clause.locus)              \
    1590             :   != UNKNOWN_LOCATION)
    1591             : #define OMP_CLAUSE_LOCATION(NODE)  (OMP_CLAUSE_CHECK (NODE))->omp_clause.locus
    1592             : 
    1593             : /* True on OMP_FOR and other OpenMP/OpenACC looping constructs if the loop nest
    1594             :    is non-rectangular.  */
    1595             : #define OMP_FOR_NON_RECTANGULAR(NODE) \
    1596             :   (OMP_LOOPING_CHECK (NODE)->base.private_flag)
    1597             : 
    1598             : /* True on an OMP_SECTION statement that was the last lexical member.
    1599             :    This status is meaningful in the implementation of lastprivate.  */
    1600             : #define OMP_SECTION_LAST(NODE) \
    1601             :   (OMP_SECTION_CHECK (NODE)->base.private_flag)
    1602             : 
    1603             : /* True on an OMP_PARALLEL statement if it represents an explicit
    1604             :    combined parallel work-sharing constructs.  */
    1605             : #define OMP_PARALLEL_COMBINED(NODE) \
    1606             :   (OMP_PARALLEL_CHECK (NODE)->base.private_flag)
    1607             : 
    1608             : /* True on an OMP_TEAMS statement if it represents an explicit
    1609             :    combined teams distribute constructs.  */
    1610             : #define OMP_TEAMS_COMBINED(NODE) \
    1611             :   (OMP_TEAMS_CHECK (NODE)->base.private_flag)
    1612             : 
    1613             : /* True on an OMP_TARGET statement if it represents explicit
    1614             :    combined target teams, target parallel or target simd constructs.  */
    1615             : #define OMP_TARGET_COMBINED(NODE) \
    1616             :   (OMP_TARGET_CHECK (NODE)->base.private_flag)
    1617             : 
    1618             : /* True on an OMP_MASTER statement if it represents an explicit
    1619             :    combined master constructs.  */
    1620             : #define OMP_MASTER_COMBINED(NODE) \
    1621             :   (OMP_MASTER_CHECK (NODE)->base.private_flag)
    1622             : 
    1623             : /* True on an OMP_MASKED statement if it represents an explicit
    1624             :    combined masked constructs.  */
    1625             : #define OMP_MASKED_COMBINED(NODE) \
    1626             :   (OMP_MASKED_CHECK (NODE)->base.private_flag)
    1627             : 
    1628             : /* Memory order for OMP_ATOMIC*.  */
    1629             : #define OMP_ATOMIC_MEMORY_ORDER(NODE) \
    1630             :   (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
    1631             :                      OMP_ATOMIC_CAPTURE_NEW)->base.u.omp_atomic_memory_order)
    1632             : 
    1633             : /* Weak clause on OMP_ATOMIC*.  */
    1634             : #define OMP_ATOMIC_WEAK(NODE) \
    1635             :   (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
    1636             :                      OMP_ATOMIC_CAPTURE_NEW)->base.public_flag)
    1637             : 
    1638             : /* True on a PRIVATE clause if its decl is kept around for debugging
    1639             :    information only and its DECL_VALUE_EXPR is supposed to point
    1640             :    to what it has been remapped to.  */
    1641             : #define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
    1642             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
    1643             : 
    1644             : /* True on a PRIVATE clause if ctor needs access to outer region's
    1645             :    variable.  */
    1646             : #define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
    1647             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
    1648             : 
    1649             : /* True if a PRIVATE clause is for a C++ class IV on taskloop construct
    1650             :    (thus should be private on the outer taskloop and firstprivate on
    1651             :    task).  */
    1652             : #define OMP_CLAUSE_PRIVATE_TASKLOOP_IV(NODE) \
    1653             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
    1654             : 
    1655             : /* True on a FIRSTPRIVATE clause if it has been added implicitly.  */
    1656             : #define OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT(NODE) \
    1657             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE)->base.public_flag)
    1658             : 
    1659             : /* True on a FIRSTPRIVATE clause if only the reference and not what it refers
    1660             :    to should be firstprivatized.  */
    1661             : #define OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE(NODE) \
    1662             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE))
    1663             : 
    1664             : /* True on a FIRSTPRIVATE clause with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT also
    1665             :    set if target construct is the only one that accepts the clause.  */
    1666             : #define OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET(NODE) \
    1667             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE))
    1668             : 
    1669             : /* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
    1670             :    decl is present in the chain.  */
    1671             : #define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
    1672             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
    1673             : #define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
    1674             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE,                   \
    1675             :                                                 OMP_CLAUSE_LASTPRIVATE),\
    1676             :                       1)
    1677             : #define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
    1678             :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    1679             : 
    1680             : /* True if a LASTPRIVATE clause is for a C++ class IV on taskloop or
    1681             :    loop construct (thus should be lastprivate on the outer taskloop and
    1682             :    firstprivate on task for the taskloop construct and carefully handled
    1683             :    for loop construct).  */
    1684             : #define OMP_CLAUSE_LASTPRIVATE_LOOP_IV(NODE) \
    1685             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
    1686             : 
    1687             : /* True if a LASTPRIVATE clause has CONDITIONAL: modifier.  */
    1688             : #define OMP_CLAUSE_LASTPRIVATE_CONDITIONAL(NODE) \
    1689             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
    1690             : 
    1691             : /* True on a SHARED clause if a FIRSTPRIVATE clause for the same
    1692             :    decl is present in the chain (this can happen only for taskloop
    1693             :    with FIRSTPRIVATE/LASTPRIVATE on it originally.  */
    1694             : #define OMP_CLAUSE_SHARED_FIRSTPRIVATE(NODE) \
    1695             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED)->base.public_flag)
    1696             : 
    1697             : /* True on a SHARED clause if a scalar is not modified in the body and
    1698             :    thus could be optimized as firstprivate.  */
    1699             : #define OMP_CLAUSE_SHARED_READONLY(NODE) \
    1700             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED))
    1701             : 
    1702             : #define OMP_CLAUSE_IF_MODIFIER(NODE)    \
    1703             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF)->omp_clause.subcode.if_modifier)
    1704             : 
    1705             : #define OMP_CLAUSE_FINAL_EXPR(NODE) \
    1706             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FINAL), 0)
    1707             : #define OMP_CLAUSE_IF_EXPR(NODE) \
    1708             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
    1709             : #define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
    1710             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
    1711             : #define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
    1712             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
    1713             : #define OMP_CLAUSE_NUM_TASKS_EXPR(NODE) \
    1714             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TASKS), 0)
    1715             : #define OMP_CLAUSE_HINT_EXPR(NODE) \
    1716             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_HINT), 0)
    1717             : #define OMP_CLAUSE_FILTER_EXPR(NODE) \
    1718             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FILTER), 0)
    1719             : 
    1720             : #define OMP_CLAUSE_GRAINSIZE_EXPR(NODE) \
    1721             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GRAINSIZE),0)
    1722             : 
    1723             : #define OMP_CLAUSE_PRIORITY_EXPR(NODE) \
    1724             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIORITY),0)
    1725             : 
    1726             : #define OMP_CLAUSE_GRAINSIZE_STRICT(NODE) \
    1727             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GRAINSIZE))
    1728             : #define OMP_CLAUSE_NUM_TASKS_STRICT(NODE) \
    1729             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TASKS))
    1730             : 
    1731             : /* OpenACC clause expressions  */
    1732             : #define OMP_CLAUSE_EXPR(NODE, CLAUSE) \
    1733             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, CLAUSE), 0)
    1734             : #define OMP_CLAUSE_GANG_EXPR(NODE) \
    1735             :   OMP_CLAUSE_OPERAND ( \
    1736             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 0)
    1737             : #define OMP_CLAUSE_GANG_STATIC_EXPR(NODE) \
    1738             :   OMP_CLAUSE_OPERAND ( \
    1739             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 1)
    1740             : #define OMP_CLAUSE_ASYNC_EXPR(NODE) \
    1741             :   OMP_CLAUSE_OPERAND ( \
    1742             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ASYNC), 0)
    1743             : #define OMP_CLAUSE_WAIT_EXPR(NODE) \
    1744             :   OMP_CLAUSE_OPERAND ( \
    1745             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WAIT), 0)
    1746             : #define OMP_CLAUSE_VECTOR_EXPR(NODE) \
    1747             :   OMP_CLAUSE_OPERAND ( \
    1748             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR), 0)
    1749             : #define OMP_CLAUSE_WORKER_EXPR(NODE) \
    1750             :   OMP_CLAUSE_OPERAND ( \
    1751             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WORKER), 0)
    1752             : #define OMP_CLAUSE_NUM_GANGS_EXPR(NODE) \
    1753             :   OMP_CLAUSE_OPERAND ( \
    1754             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_GANGS), 0)
    1755             : #define OMP_CLAUSE_NUM_WORKERS_EXPR(NODE) \
    1756             :   OMP_CLAUSE_OPERAND ( \
    1757             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_WORKERS), 0)
    1758             : #define OMP_CLAUSE_VECTOR_LENGTH_EXPR(NODE) \
    1759             :   OMP_CLAUSE_OPERAND ( \
    1760             :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR_LENGTH), 0)
    1761             : 
    1762             : #define OMP_CLAUSE_DEPEND_KIND(NODE) \
    1763             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEPEND)->omp_clause.subcode.depend_kind)
    1764             : 
    1765             : #define OMP_CLAUSE_DOACROSS_KIND(NODE) \
    1766             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DOACROSS)->omp_clause.subcode.doacross_kind)
    1767             : 
    1768             : #define OMP_CLAUSE_DOACROSS_SINK_NEGATIVE(NODE) \
    1769             :   TREE_PUBLIC (TREE_LIST_CHECK (NODE))
    1770             : 
    1771             : /* True if DOACROSS clause is spelled as DEPEND.  */
    1772             : #define OMP_CLAUSE_DOACROSS_DEPEND(NODE) \
    1773             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DOACROSS))
    1774             : 
    1775             : #define OMP_CLAUSE_MAP_KIND(NODE) \
    1776             :   ((enum gomp_map_kind) OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind)
    1777             : #define OMP_CLAUSE_SET_MAP_KIND(NODE, MAP_KIND) \
    1778             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind \
    1779             :    = (unsigned int) (MAP_KIND))
    1780             : 
    1781             : #define OMP_CLAUSE_MOTION_PRESENT(NODE) \
    1782             :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_FROM, OMP_CLAUSE_TO)->base.deprecated_flag)
    1783             : 
    1784             : /* Nonzero if this map clause is for array (rather than pointer) based array
    1785             :    section with zero bias.  Both the non-decl OMP_CLAUSE_MAP and corresponding
    1786             :    OMP_CLAUSE_MAP with GOMP_MAP_POINTER are marked with this flag.  */
    1787             : #define OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION(NODE) \
    1788             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.public_flag)
    1789             : /* Nonzero if this is a mapped array section, that might need special
    1790             :    treatment if OMP_CLAUSE_SIZE is zero.  */
    1791             : #define OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION(NODE) \
    1792             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1793             : /* Nonzero if this map clause is for an OpenACC compute construct's reduction
    1794             :    variable or OpenMP map clause mentioned also in in_reduction clause on the
    1795             :    same construct.  */
    1796             : #define OMP_CLAUSE_MAP_IN_REDUCTION(NODE) \
    1797             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1798             : /* Nonzero on map clauses added implicitly for reduction clauses on combined
    1799             :    or composite constructs.  They shall be removed if there is an explicit
    1800             :    map clause.  */
    1801             : #define OMP_CLAUSE_MAP_IMPLICIT(NODE) \
    1802             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.default_def_flag)
    1803             : /* Nonzero if this map clause is to be indicated to the runtime as 'implicit',
    1804             :    due to being created through implicit data-mapping rules in the middle-end.
    1805             :    NOTE: this is different than OMP_CLAUSE_MAP_IMPLICIT.  */
    1806             : #define OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P(NODE) \
    1807             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.deprecated_flag)
    1808             : 
    1809             : /* Flag that 'OMP_CLAUSE_DECL (NODE)' is to be made addressable during OMP
    1810             :    lowering.  */
    1811             : #define OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE(NODE) \
    1812             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.addressable_flag)
    1813             : 
    1814             : /* True on an OMP_CLAUSE_USE_DEVICE_PTR with an OpenACC 'if_present'
    1815             :    clause.  */
    1816             : #define OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT(NODE) \
    1817             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_USE_DEVICE_PTR)->base.public_flag)
    1818             : 
    1819             : #define OMP_CLAUSE_PROC_BIND_KIND(NODE) \
    1820             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PROC_BIND)->omp_clause.subcode.proc_bind_kind)
    1821             : 
    1822             : #define OMP_CLAUSE_DEVICE_TYPE_KIND(NODE) \
    1823             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE_TYPE)->omp_clause.subcode.device_type_kind)
    1824             : 
    1825             : /* True if there is a device clause with a device-modifier 'ancestor'.  */
    1826             : #define OMP_CLAUSE_DEVICE_ANCESTOR(NODE) \
    1827             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE)->base.public_flag)
    1828             : 
    1829             : #define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
    1830             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
    1831             : #define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
    1832             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
    1833             : #define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
    1834             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
    1835             : 
    1836             : #define OMP_CLAUSE_ORDERED_EXPR(NODE) \
    1837             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDERED), 0)
    1838             : 
    1839             : /* True on an OMP_CLAUSE_ORDERED if stand-alone ordered construct is nested
    1840             :    inside of work-sharing loop the clause is on.  */
    1841             : #define OMP_CLAUSE_ORDERED_DOACROSS(NODE) \
    1842             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDERED)->base.public_flag)
    1843             : 
    1844             : /* True for unconstrained modifier on order(concurrent) clause.  */
    1845             : #define OMP_CLAUSE_ORDER_UNCONSTRAINED(NODE) \
    1846             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDER)->base.public_flag)
    1847             : /* True for reproducible modifier on order(concurrent) clause.  */
    1848             : #define OMP_CLAUSE_ORDER_REPRODUCIBLE(NODE) \
    1849             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDER))
    1850             : 
    1851             : #define OMP_CLAUSE_REDUCTION_CODE(NODE) \
    1852             :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1853             :      OMP_CLAUSE_IN_REDUCTION)->omp_clause.subcode.reduction_code)
    1854             : #define OMP_CLAUSE_REDUCTION_INIT(NODE) \
    1855             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1856             :                                               OMP_CLAUSE_IN_REDUCTION), 1)
    1857             : #define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
    1858             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1859             :                                               OMP_CLAUSE_IN_REDUCTION), 2)
    1860             : #define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
    1861             :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    1862             : #define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
    1863             :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
    1864             : #define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
    1865             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1866             :                                               OMP_CLAUSE_IN_REDUCTION), 3)
    1867             : #define OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER(NODE) \
    1868             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1869             :                                               OMP_CLAUSE_IN_REDUCTION), 4)
    1870             : 
    1871             : /* True if a REDUCTION clause may reference the original list item (omp_orig)
    1872             :    in its OMP_CLAUSE_REDUCTION_{,GIMPLE_}INIT.  */
    1873             : #define OMP_CLAUSE_REDUCTION_OMP_ORIG_REF(NODE) \
    1874             :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    1875             :                            OMP_CLAUSE_IN_REDUCTION)->base.public_flag)
    1876             : 
    1877             : /* True if a REDUCTION clause has task reduction-modifier.  */
    1878             : #define OMP_CLAUSE_REDUCTION_TASK(NODE) \
    1879             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION))
    1880             : 
    1881             : /* True if a REDUCTION clause has inscan reduction-modifier.  */
    1882             : #define OMP_CLAUSE_REDUCTION_INSCAN(NODE) \
    1883             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION))
    1884             : 
    1885             : /* True if a LINEAR clause doesn't need copy in.  True for iterator vars which
    1886             :    are always initialized inside of the loop construct, false otherwise.  */
    1887             : #define OMP_CLAUSE_LINEAR_NO_COPYIN(NODE) \
    1888             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.public_flag)
    1889             : 
    1890             : /* True if a LINEAR clause doesn't need copy out.  True for iterator vars which
    1891             :    are declared inside of the simd construct.  */
    1892             : #define OMP_CLAUSE_LINEAR_NO_COPYOUT(NODE) \
    1893             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
    1894             : 
    1895             : /* True if a LINEAR clause has a stride that is variable.  */
    1896             : #define OMP_CLAUSE_LINEAR_VARIABLE_STRIDE(NODE) \
    1897             :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
    1898             : 
    1899             : /* True for a LINEAR clause with old style modifier syntax
    1900             :    linear(modifier(list)) or linear(modifier(list):step).  */
    1901             : #define OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER(NODE) \
    1902             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.addressable_flag)
    1903             : 
    1904             : /* True if a LINEAR clause is for an array or allocatable variable that
    1905             :    needs special handling by the frontend.  */
    1906             : #define OMP_CLAUSE_LINEAR_ARRAY(NODE) \
    1907             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.deprecated_flag)
    1908             : 
    1909             : #define OMP_CLAUSE_LINEAR_STEP(NODE) \
    1910             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 1)
    1911             : 
    1912             : #define OMP_CLAUSE_LINEAR_STMT(NODE) \
    1913             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 2)
    1914             : 
    1915             : #define OMP_CLAUSE_LINEAR_GIMPLE_SEQ(NODE) \
    1916             :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    1917             : 
    1918             : #define OMP_CLAUSE_LINEAR_KIND(NODE) \
    1919             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->omp_clause.subcode.linear_kind)
    1920             : 
    1921             : #define OMP_CLAUSE_ALIGNED_ALIGNMENT(NODE) \
    1922             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALIGNED), 1)
    1923             : 
    1924             : #define OMP_CLAUSE_ALLOCATE_ALLOCATOR(NODE) \
    1925             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE), 1)
    1926             : 
    1927             : #define OMP_CLAUSE_ALLOCATE_ALIGN(NODE) \
    1928             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE), 2)
    1929             : 
    1930             : /* True if an ALLOCATE clause was present on a combined or composite
    1931             :    construct and the code for splitting the clauses has already performed
    1932             :    checking if the listed variable has explicit privatization on the
    1933             :    construct.  */
    1934             : #define OMP_CLAUSE_ALLOCATE_COMBINED(NODE) \
    1935             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE)->base.public_flag)
    1936             : 
    1937             : #define OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR(NODE) \
    1938             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 0)
    1939             : 
    1940             : #define OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR(NODE) \
    1941             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 1)
    1942             : 
    1943             : #define OMP_CLAUSE_THREAD_LIMIT_EXPR(NODE) \
    1944             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    1945             :                                                 OMP_CLAUSE_THREAD_LIMIT), 0)
    1946             : 
    1947             : #define OMP_CLAUSE_DEVICE_ID(NODE) \
    1948             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE), 0)
    1949             : 
    1950             : #define OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR(NODE) \
    1951             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    1952             :                                                 OMP_CLAUSE_DIST_SCHEDULE), 0)
    1953             : 
    1954             : #define OMP_CLAUSE_SAFELEN_EXPR(NODE) \
    1955             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SAFELEN), 0)
    1956             : 
    1957             : #define OMP_CLAUSE_SIMDLEN_EXPR(NODE) \
    1958             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIMDLEN), 0)
    1959             : 
    1960             : #define OMP_CLAUSE__SIMDUID__DECL(NODE) \
    1961             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SIMDUID_), 0)
    1962             : 
    1963             : #define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
    1964             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
    1965             : 
    1966             : /* True if a SCHEDULE clause has the simd modifier on it.  */
    1967             : #define OMP_CLAUSE_SCHEDULE_SIMD(NODE) \
    1968             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->base.public_flag)
    1969             : 
    1970             : #define OMP_CLAUSE_DEFAULT_KIND(NODE) \
    1971             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
    1972             : 
    1973             : #define OMP_CLAUSE_DEFAULTMAP_KIND(NODE) \
    1974             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULTMAP)->omp_clause.subcode.defaultmap_kind)
    1975             : #define OMP_CLAUSE_DEFAULTMAP_CATEGORY(NODE) \
    1976             :   ((enum omp_clause_defaultmap_kind) \
    1977             :    (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) & OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK))
    1978             : #define OMP_CLAUSE_DEFAULTMAP_BEHAVIOR(NODE) \
    1979             :   ((enum omp_clause_defaultmap_kind) \
    1980             :    (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) & OMP_CLAUSE_DEFAULTMAP_MASK))
    1981             : #define OMP_CLAUSE_DEFAULTMAP_SET_KIND(NODE, BEHAVIOR, CATEGORY) \
    1982             :   (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) \
    1983             :    = (enum omp_clause_defaultmap_kind) (CATEGORY | BEHAVIOR))
    1984             : 
    1985             : #define OMP_CLAUSE_BIND_KIND(NODE) \
    1986             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_BIND)->omp_clause.subcode.bind_kind)
    1987             : 
    1988             : /* True if ENTER clause is spelled as TO.  */
    1989             : #define OMP_CLAUSE_ENTER_TO(NODE) \
    1990             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ENTER)->base.public_flag)
    1991             : 
    1992             : #define OMP_CLAUSE_TILE_LIST(NODE) \
    1993             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 0)
    1994             : #define OMP_CLAUSE_TILE_ITERVAR(NODE) \
    1995             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 1)
    1996             : #define OMP_CLAUSE_TILE_COUNT(NODE) \
    1997             :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 2)
    1998             : 
    1999             : /* _CONDTEMP_ holding temporary with iteration count.  */
    2000             : #define OMP_CLAUSE__CONDTEMP__ITER(NODE) \
    2001             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__CONDTEMP_)->base.public_flag)
    2002             : 
    2003             : /* _SCANTEMP_ holding temporary with pointer to thread's local array;
    2004             :    allocation.  */
    2005             : #define OMP_CLAUSE__SCANTEMP__ALLOC(NODE) \
    2006             :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SCANTEMP_)->base.public_flag)
    2007             : 
    2008             : /* _SCANTEMP_ holding temporary with a control variable for deallocation;
    2009             :    one boolean_type_node for test whether alloca was used, another one
    2010             :    to pass to __builtin_stack_restore or free.  */
    2011             : #define OMP_CLAUSE__SCANTEMP__CONTROL(NODE) \
    2012             :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SCANTEMP_))
    2013             : 
    2014             : /* SSA_NAME accessors.  */
    2015             : 
    2016             : /* Whether SSA_NAME NODE is a virtual operand.  This simply caches the
    2017             :    information in the underlying SSA_NAME_VAR for efficiency.  */
    2018             : #define SSA_NAME_IS_VIRTUAL_OPERAND(NODE) \
    2019             :   SSA_NAME_CHECK (NODE)->base.public_flag
    2020             : 
    2021             : /* Returns the IDENTIFIER_NODE giving the SSA name a name or NULL_TREE
    2022             :    if there is no name associated with it.  */
    2023             : #define SSA_NAME_IDENTIFIER(NODE)                               \
    2024             :   (SSA_NAME_CHECK (NODE)->ssa_name.var != NULL_TREE          \
    2025             :    ? (TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE    \
    2026             :       ? (NODE)->ssa_name.var                                 \
    2027             :       : DECL_NAME ((NODE)->ssa_name.var))                    \
    2028             :    : NULL_TREE)
    2029             : 
    2030             : /* Returns the variable being referenced.  This can be NULL_TREE for
    2031             :    temporaries not associated with any user variable.
    2032             :    Once released, this is the only field that can be relied upon.  */
    2033             : #define SSA_NAME_VAR(NODE)                                      \
    2034             :   (SSA_NAME_CHECK (NODE)->ssa_name.var == NULL_TREE          \
    2035             :    || TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE    \
    2036             :    ? NULL_TREE : (NODE)->ssa_name.var)
    2037             : 
    2038             : #define SET_SSA_NAME_VAR_OR_IDENTIFIER(NODE,VAR) \
    2039             :   do \
    2040             :     { \
    2041             :       tree var_ = (VAR); \
    2042             :       SSA_NAME_CHECK (NODE)->ssa_name.var = var_; \
    2043             :       SSA_NAME_IS_VIRTUAL_OPERAND (NODE) \
    2044             :         = (var_ \
    2045             :            && TREE_CODE (var_) == VAR_DECL \
    2046             :            && VAR_DECL_IS_VIRTUAL_OPERAND (var_)); \
    2047             :     } \
    2048             :   while (0)
    2049             : 
    2050             : /* Returns the statement which defines this SSA name.  */
    2051             : #define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
    2052             : 
    2053             : /* Returns the SSA version number of this SSA name.  Note that in
    2054             :    tree SSA, version numbers are not per variable and may be recycled.  */
    2055             : #define SSA_NAME_VERSION(NODE)  SSA_NAME_CHECK (NODE)->base.u.version
    2056             : 
    2057             : /* Nonzero if this SSA name occurs in an abnormal PHI.  SSA_NAMES are
    2058             :    never output, so we can safely use the ASM_WRITTEN_FLAG for this
    2059             :    status bit.  */
    2060             : #define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
    2061             :     SSA_NAME_CHECK (NODE)->base.asm_written_flag
    2062             : 
    2063             : /* Nonzero if this SSA_NAME expression is currently on the free list of
    2064             :    SSA_NAMES.  Using NOTHROW_FLAG seems reasonably safe since throwing
    2065             :    has no meaning for an SSA_NAME.  */
    2066             : #define SSA_NAME_IN_FREE_LIST(NODE) \
    2067             :     SSA_NAME_CHECK (NODE)->base.nothrow_flag
    2068             : 
    2069             : /* Nonzero if this SSA_NAME is the default definition for the
    2070             :    underlying symbol.  A default SSA name is created for symbol S if
    2071             :    the very first reference to S in the function is a read operation.
    2072             :    Default definitions are always created by an empty statement and
    2073             :    belong to no basic block.  */
    2074             : #define SSA_NAME_IS_DEFAULT_DEF(NODE) \
    2075             :     SSA_NAME_CHECK (NODE)->base.default_def_flag
    2076             : 
    2077             : /* Nonzero if this SSA_NAME is known to point to memory that may not
    2078             :    be written to.  This is set for default defs of function parameters
    2079             :    that have a corresponding r or R specification in the functions
    2080             :    fn spec attribute.  This is used by alias analysis.  */
    2081             : #define SSA_NAME_POINTS_TO_READONLY_MEMORY(NODE) \
    2082             :     SSA_NAME_CHECK (NODE)->base.deprecated_flag
    2083             : 
    2084             : /* Attributes for SSA_NAMEs for pointer-type variables.  */
    2085             : #define SSA_NAME_PTR_INFO(N) \
    2086             :    SSA_NAME_CHECK (N)->ssa_name.info.ptr_info
    2087             : 
    2088             : /* Value range info attributes for SSA_NAMEs of non pointer-type variables.  */
    2089             : #define SSA_NAME_RANGE_INFO(N) \
    2090             :     SSA_NAME_CHECK (N)->ssa_name.info.range_info
    2091             : 
    2092             : /* Return the immediate_use information for an SSA_NAME. */
    2093             : #define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
    2094             : 
    2095             : #define OMP_CLAUSE_CODE(NODE)                                   \
    2096             :         (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
    2097             : 
    2098             : #define OMP_CLAUSE_SET_CODE(NODE, CODE)                         \
    2099             :         ((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
    2100             : 
    2101             : #define OMP_CLAUSE_OPERAND(NODE, I)                             \
    2102             :         OMP_CLAUSE_ELT_CHECK (NODE, I)
    2103             : 
    2104             : /* In a BLOCK (scope) node:
    2105             :    Variables declared in the scope NODE.  */
    2106             : #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
    2107             : #define BLOCK_NONLOCALIZED_VARS(NODE) \
    2108             :   (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
    2109             : #define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
    2110             :   vec_safe_length (BLOCK_NONLOCALIZED_VARS (NODE))
    2111             : #define BLOCK_NONLOCALIZED_VAR(NODE,N) (*BLOCK_NONLOCALIZED_VARS (NODE))[N]
    2112             : /* A chain of BLOCKs (scopes) nested within the scope NODE.  */
    2113             : #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
    2114             : /* The scope enclosing the scope NODE, or FUNCTION_DECL for the "outermost"
    2115             :    function scope.  Inlined functions are chained by this so that given
    2116             :    expression E and its TREE_BLOCK(E) B, BLOCK_SUPERCONTEXT(B) is the scope
    2117             :    in which E has been made or into which E has been inlined.   */
    2118             : #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
    2119             : /* Points to the next scope at the same level of nesting as scope NODE.  */
    2120             : #define BLOCK_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.chain)
    2121             : /* A BLOCK, or FUNCTION_DECL of the function from which a block has been
    2122             :    inlined.  In a scope immediately enclosing an inlined leaf expression,
    2123             :    points to the outermost scope into which it has been inlined (thus
    2124             :    bypassing all intermediate BLOCK_SUPERCONTEXTs). */
    2125             : #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
    2126             : #define BLOCK_ORIGIN(NODE) \
    2127             :   (BLOCK_ABSTRACT_ORIGIN(NODE) ? BLOCK_ABSTRACT_ORIGIN(NODE) : (NODE))
    2128             : #define BLOCK_DIE(NODE) (BLOCK_CHECK (NODE)->block.die)
    2129             : 
    2130             : /* True if BLOCK has the same ranges as its BLOCK_SUPERCONTEXT.  */
    2131             : #define BLOCK_SAME_RANGE(NODE) (BLOCK_CHECK (NODE)->base.u.bits.nameless_flag)
    2132             : 
    2133             : /* True if BLOCK appears in cold section.  */
    2134             : #define BLOCK_IN_COLD_SECTION_P(NODE) \
    2135             :   (BLOCK_CHECK (NODE)->base.u.bits.atomic_flag)
    2136             : 
    2137             : /* An index number for this block.  These values are not guaranteed to
    2138             :    be unique across functions -- whether or not they are depends on
    2139             :    the debugging output format in use.  */
    2140             : #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
    2141             : 
    2142             : /* If block reordering splits a lexical block into discontiguous
    2143             :    address ranges, we'll make a copy of the original block.
    2144             : 
    2145             :    Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
    2146             :    In that case, we have one source block that has been replicated
    2147             :    (through inlining or unrolling) into many logical blocks, and that
    2148             :    these logical blocks have different physical variables in them.
    2149             : 
    2150             :    In this case, we have one logical block split into several
    2151             :    non-contiguous address ranges.  Most debug formats can't actually
    2152             :    represent this idea directly, so we fake it by creating multiple
    2153             :    logical blocks with the same variables in them.  However, for those
    2154             :    that do support non-contiguous regions, these allow the original
    2155             :    logical block to be reconstructed, along with the set of address
    2156             :    ranges.
    2157             : 
    2158             :    One of the logical block fragments is arbitrarily chosen to be
    2159             :    the ORIGIN.  The other fragments will point to the origin via
    2160             :    BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
    2161             :    be null.  The list of fragments will be chained through
    2162             :    BLOCK_FRAGMENT_CHAIN from the origin.  */
    2163             : 
    2164             : #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
    2165             : #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
    2166             : 
    2167             : /* For an inlined function, this gives the location where it was called
    2168             :    from.  This is only set in the top level block, which corresponds to the
    2169             :    inlined function scope.  This is used in the debug output routines.  */
    2170             : 
    2171             : #define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
    2172             : 
    2173             : /* This gives the location of the end of the block, useful to attach
    2174             :    code implicitly generated for outgoing paths.  */
    2175             : 
    2176             : #define BLOCK_SOURCE_END_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.end_locus)
    2177             : 
    2178             : /* Define fields and accessors for nodes representing data types.  */
    2179             : 
    2180             : /* See tree.def for documentation of the use of these fields.
    2181             :    Look at the documentation of the various ..._TYPE tree codes.
    2182             : 
    2183             :    Note that the type.values, type.minval, and type.maxval fields are
    2184             :    overloaded and used for different macros in different kinds of types.
    2185             :    Each macro must check to ensure the tree node is of the proper kind of
    2186             :    type.  Note also that some of the front-ends also overload these fields,
    2187             :    so they must be checked as well.  */
    2188             : 
    2189             : #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type_common.uid)
    2190             : /* Type size in bits as a tree expression.  Need not be constant and may
    2191             :    be greater than TYPE_SIZE for a C++ FIELD_DECL representing a base
    2192             :    class subobject with its own virtual base classes (which are laid out
    2193             :    separately).  */
    2194             : #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type_common.size)
    2195             : /* Likewise, type size in bytes.  */
    2196             : #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type_common.size_unit)
    2197             : #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type_common.pointer_to)
    2198             : #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type_common.reference_to)
    2199             : #define TYPE_PRECISION(NODE) \
    2200             :   (TREE_NOT_CHECK (TYPE_CHECK (NODE), VECTOR_TYPE)->type_common.precision)
    2201             : #define TYPE_PRECISION_RAW(NODE) (TYPE_CHECK (NODE)->type_common.precision)
    2202             : #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type_common.name)
    2203             : #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.next_variant)
    2204             : #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.main_variant)
    2205             : #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type_common.context)
    2206             : 
    2207             : #define TYPE_MODE_RAW(NODE) (TYPE_CHECK (NODE)->type_common.mode)
    2208             : #define TYPE_MODE(NODE) \
    2209             :   (VECTOR_TYPE_P (TYPE_CHECK (NODE)) \
    2210             :    ? vector_type_mode (NODE) : (NODE)->type_common.mode)
    2211             : #define SCALAR_TYPE_MODE(NODE) \
    2212             :   (as_a <scalar_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2213             : #define SCALAR_INT_TYPE_MODE(NODE) \
    2214             :   (as_a <scalar_int_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2215             : #define SCALAR_FLOAT_TYPE_MODE(NODE) \
    2216             :   (as_a <scalar_float_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2217             : #define SET_TYPE_MODE(NODE, MODE) \
    2218             :   (TYPE_CHECK (NODE)->type_common.mode = (MODE))
    2219             : 
    2220             : extern machine_mode element_mode (const_tree);
    2221             : extern machine_mode vector_type_mode (const_tree);
    2222             : extern unsigned int vector_element_bits (const_tree);
    2223             : extern tree vector_element_bits_tree (const_tree);
    2224             : 
    2225             : /* The "canonical" type for this type node, which is used by frontends to
    2226             :    compare the type for equality with another type.  If two types are
    2227             :    equal (based on the semantics of the language), then they will have
    2228             :    equivalent TYPE_CANONICAL entries.
    2229             : 
    2230             :    As a special case, if TYPE_CANONICAL is NULL_TREE, and thus
    2231             :    TYPE_STRUCTURAL_EQUALITY_P is true, then it cannot
    2232             :    be used for comparison against other types.  Instead, the type is
    2233             :    said to require structural equality checks, described in
    2234             :    TYPE_STRUCTURAL_EQUALITY_P.
    2235             : 
    2236             :    For unqualified aggregate and function types the middle-end relies on
    2237             :    TYPE_CANONICAL to tell whether two variables can be assigned
    2238             :    to each other without a conversion.  The middle-end also makes sure
    2239             :    to assign the same alias-sets to the type partition with equal
    2240             :    TYPE_CANONICAL of their unqualified variants.  */
    2241             : #define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type_common.canonical)
    2242             : /* Indicates that the type node requires structural equality
    2243             :    checks.  The compiler will need to look at the composition of the
    2244             :    type to determine whether it is equal to another type, rather than
    2245             :    just comparing canonical type pointers.  For instance, we would need
    2246             :    to look at the return and parameter types of a FUNCTION_TYPE
    2247             :    node.  */
    2248             : #define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
    2249             : /* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
    2250             :    type node requires structural equality.  */
    2251             : #define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
    2252             : 
    2253             : #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
    2254             : #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
    2255             : 
    2256             : /* The (language-specific) typed-based alias set for this type.
    2257             :    Objects whose TYPE_ALIAS_SETs are different cannot alias each
    2258             :    other.  If the TYPE_ALIAS_SET is -1, no alias set has yet been
    2259             :    assigned to this type.  If the TYPE_ALIAS_SET is 0, objects of this
    2260             :    type can alias objects of any type.  */
    2261             : #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type_common.alias_set)
    2262             : 
    2263             : /* Nonzero iff the typed-based alias set for this type has been
    2264             :    calculated.  */
    2265             : #define TYPE_ALIAS_SET_KNOWN_P(NODE) \
    2266             :   (TYPE_CHECK (NODE)->type_common.alias_set != -1)
    2267             : 
    2268             : /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
    2269             :    to this type.  */
    2270             : #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type_common.attributes)
    2271             : 
    2272             : /* Raw access to the alignment field.  */
    2273             : #define TYPE_ALIGN_RAW(NODE)                    \
    2274             :   (TYPE_CHECK (NODE)->type_common.align)
    2275             : 
    2276             : /* The alignment necessary for objects of this type.
    2277             :    The value is an int, measured in bits and must be a power of two.
    2278             :    We support also an "alignment" of zero.  */
    2279             : #define TYPE_ALIGN(NODE)                                        \
    2280             :   (TYPE_ALIGN_RAW (NODE)                                        \
    2281             :    ? ((unsigned)1) << (TYPE_ALIGN_RAW(NODE) - 1) : 0)
    2282             : 
    2283             : /* Specify that TYPE_ALIGN(NODE) is X.  */
    2284             : #define SET_TYPE_ALIGN(NODE, X) \
    2285             :     (TYPE_CHECK (NODE)->type_common.align = ffs_hwi (X))
    2286             : 
    2287             : /* 1 if the alignment for this type was requested by "aligned" attribute,
    2288             :    0 if it is the default for this type.  */
    2289             : #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->base.u.bits.user_align)
    2290             : 
    2291             : /* The alignment for NODE, in bytes.  */
    2292             : #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
    2293             : 
    2294             : /* The minimum alignment necessary for objects of this type without
    2295             :    warning.  The value is an int, measured in bits.  */
    2296             : #define TYPE_WARN_IF_NOT_ALIGN(NODE) \
    2297             :     (TYPE_CHECK (NODE)->type_common.warn_if_not_align \
    2298             :      ? ((unsigned)1) << ((NODE)->type_common.warn_if_not_align - 1) : 0)
    2299             : 
    2300             : /* Specify that TYPE_WARN_IF_NOT_ALIGN(NODE) is X.  */
    2301             : #define SET_TYPE_WARN_IF_NOT_ALIGN(NODE, X) \
    2302             :     (TYPE_CHECK (NODE)->type_common.warn_if_not_align = ffs_hwi (X))
    2303             : 
    2304             : /* If your language allows you to declare types, and you want debug info
    2305             :    for them, then you need to generate corresponding TYPE_DECL nodes.
    2306             :    These "stub" TYPE_DECL nodes have no name, and simply point at the
    2307             :    type node.  You then set the TYPE_STUB_DECL field of the type node
    2308             :    to point back at the TYPE_DECL node.  This allows the debug routines
    2309             :    to know that the two nodes represent the same type, so that we only
    2310             :    get one debug info record for them.  */
    2311             : #define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
    2312             : 
    2313             : /* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
    2314             :    the type has BLKmode only because it lacks the alignment required for
    2315             :    its size.  */
    2316             : #define TYPE_NO_FORCE_BLK(NODE) \
    2317             :   (TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
    2318             : 
    2319             : /* Nonzero in a type considered volatile as a whole.  */
    2320             : #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
    2321             : 
    2322             : /* Nonzero in a type considered atomic as a whole.  */
    2323             : #define TYPE_ATOMIC(NODE) (TYPE_CHECK (NODE)->base.u.bits.atomic_flag)
    2324             : 
    2325             : /* Means this type is const-qualified.  */
    2326             : #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
    2327             : 
    2328             : /* If nonzero, this type is `restrict'-qualified, in the C sense of
    2329             :    the term.  */
    2330             : #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type_common.restrict_flag)
    2331             : 
    2332             : /* If nonzero, type's name shouldn't be emitted into debug info.  */
    2333             : #define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.u.bits.nameless_flag)
    2334             : 
    2335             : /* The address space the type is in.  */
    2336             : #define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.u.bits.address_space)
    2337             : 
    2338             : /* Encode/decode the named memory support as part of the qualifier.  If more
    2339             :    than 8 qualifiers are added, these macros need to be adjusted.  */
    2340             : #define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
    2341             : #define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
    2342             : 
    2343             : /* Return all qualifiers except for the address space qualifiers.  */
    2344             : #define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
    2345             : 
    2346             : /* Only keep the address space out of the qualifiers and discard the other
    2347             :    qualifiers.  */
    2348             : #define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
    2349             : 
    2350             : /* The set of type qualifiers for this type.  */
    2351             : #define TYPE_QUALS(NODE)                                        \
    2352             :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2353             :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2354             :           | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC)             \
    2355             :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)         \
    2356             :           | (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE)))))
    2357             : 
    2358             : /* The same as TYPE_QUALS without the address space qualifications.  */
    2359             : #define TYPE_QUALS_NO_ADDR_SPACE(NODE)                          \
    2360             :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2361             :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2362             :           | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC)             \
    2363             :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
    2364             : 
    2365             : /* The same as TYPE_QUALS without the address space and atomic 
    2366             :    qualifications.  */
    2367             : #define TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC(NODE)                \
    2368             :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2369             :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2370             :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
    2371             : 
    2372             : /* These flags are available for each language front end to use internally.  */
    2373             : #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_0)
    2374             : #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_1)
    2375             : #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_2)
    2376             : #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_3)
    2377             : #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_4)
    2378             : #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_5)
    2379             : #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_6)
    2380             : #define TYPE_LANG_FLAG_7(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_7)
    2381             : 
    2382             : /* Used to keep track of visited nodes in tree traversals.  This is set to
    2383             :    0 by copy_node and make_node.  */
    2384             : #define TREE_VISITED(NODE) ((NODE)->base.visited)
    2385             : 
    2386             : /* If set in an ARRAY_TYPE, indicates a string type (for languages
    2387             :    that distinguish string from array of char).
    2388             :    If set in a INTEGER_TYPE, indicates a character type.  */
    2389             : #define TYPE_STRING_FLAG(NODE) \
    2390             :         (ARRAY_OR_INTEGER_TYPE_CHECK (NODE)->type_common.string_flag)
    2391             : 
    2392             : /* If set for RECORD_TYPE or UNION_TYPE it indicates that the type conforms
    2393             :    to the C++ one definition rule.  This is used for LTO canonical type
    2394             :    computation.  */
    2395             : #define TYPE_CXX_ODR_P(NODE) \
    2396             :         (RECORD_OR_UNION_CHECK (NODE)->type_common.string_flag)
    2397             : 
    2398             : /* Nonzero in a VECTOR_TYPE if the frontends should not emit warnings
    2399             :    about missing conversions to other vector types of the same size.  */
    2400             : #define TYPE_VECTOR_OPAQUE(NODE) \
    2401             :   (VECTOR_TYPE_CHECK (NODE)->base.default_def_flag)
    2402             : 
    2403             : /* Indicates that objects of this type must be initialized by calling a
    2404             :    function when they are created.  */
    2405             : #define TYPE_NEEDS_CONSTRUCTING(NODE) \
    2406             :   (TYPE_CHECK (NODE)->type_common.needs_constructing_flag)
    2407             : 
    2408             : /* Indicates that a UNION_TYPE object should be passed the same way that
    2409             :    the first union alternative would be passed, or that a RECORD_TYPE
    2410             :    object should be passed the same way that the first (and only) member
    2411             :    would be passed.  */
    2412             : #define TYPE_TRANSPARENT_AGGR(NODE) \
    2413             :   (RECORD_OR_UNION_CHECK (NODE)->type_common.transparent_aggr_flag)
    2414             : 
    2415             : /* For an ARRAY_TYPE, indicates that it is not permitted to take the
    2416             :    address of a component of the type.  This is the counterpart of
    2417             :    DECL_NONADDRESSABLE_P for arrays, see the definition of this flag.  */
    2418             : #define TYPE_NONALIASED_COMPONENT(NODE) \
    2419             :   (ARRAY_TYPE_CHECK (NODE)->type_common.transparent_aggr_flag)
    2420             : 
    2421             : /* For an ARRAY_TYPE, a RECORD_TYPE, a UNION_TYPE or a QUAL_UNION_TYPE
    2422             :    whether the array is typeless storage or the type contains a member
    2423             :    with this flag set.  Such types are exempt from type-based alias
    2424             :    analysis.  For ARRAY_TYPEs with AGGREGATE_TYPE_P element types
    2425             :    the flag should be inherited from the element type, can change
    2426             :    when type is finalized and because of that should not be used in
    2427             :    type hashing.  For ARRAY_TYPEs with non-AGGREGATE_TYPE_P element types
    2428             :    the flag should not be changed after the array is created and should
    2429             :    be used in type hashing.  */
    2430             : #define TYPE_TYPELESS_STORAGE(NODE) \
    2431             :   (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, \
    2432             :                 ARRAY_TYPE)->type_common.typeless_storage)
    2433             : 
    2434             : /* Indicated that objects of this type should be laid out in as
    2435             :    compact a way as possible.  */
    2436             : #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->base.u.bits.packed_flag)
    2437             : 
    2438             : /* Used by type_contains_placeholder_p to avoid recomputation.
    2439             :    Values are: 0 (unknown), 1 (false), 2 (true).  Never access
    2440             :    this field directly.  */
    2441             : #define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
    2442             :   (TYPE_CHECK (NODE)->type_common.contains_placeholder_bits)
    2443             : 
    2444             : /* Nonzero if RECORD_TYPE represents a final derivation of class.  */
    2445             : #define TYPE_FINAL_P(NODE) \
    2446             :   (RECORD_OR_UNION_CHECK (NODE)->base.default_def_flag)
    2447             : 
    2448             : /* The debug output functions use the symtab union field to store
    2449             :    information specific to the debugging format.  The different debug
    2450             :    output hooks store different types in the union field.  These three
    2451             :    macros are used to access different fields in the union.  The debug
    2452             :    hooks are responsible for consistently using only a specific
    2453             :    macro.  */
    2454             : 
    2455             : /* Symtab field as an integer.  Used by stabs generator in dbxout.cc to
    2456             :    hold the type's number in the generated stabs.  */
    2457             : #define TYPE_SYMTAB_ADDRESS(NODE) \
    2458             :   (TYPE_CHECK (NODE)->type_common.symtab.address)
    2459             : 
    2460             : /* Symtab field as a pointer to a DWARF DIE.  Used by DWARF generator
    2461             :    in dwarf2out.cc to point to the DIE generated for the type.  */
    2462             : #define TYPE_SYMTAB_DIE(NODE) \
    2463             :   (TYPE_CHECK (NODE)->type_common.symtab.die)
    2464             : 
    2465             : /* The garbage collector needs to know the interpretation of the
    2466             :    symtab field.  These constants represent the different types in the
    2467             :    union.  */
    2468             : 
    2469             : #define TYPE_SYMTAB_IS_ADDRESS (0)
    2470             : #define TYPE_SYMTAB_IS_DIE (1)
    2471             : 
    2472             : #define TYPE_LANG_SPECIFIC(NODE) \
    2473             :   (TYPE_CHECK (NODE)->type_with_lang_specific.lang_specific)
    2474             : 
    2475             : #define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type_non_common.values)
    2476             : #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type_non_common.values)
    2477             : #define TYPE_FIELDS(NODE)                               \
    2478             :   (RECORD_OR_UNION_CHECK (NODE)->type_non_common.values)
    2479             : #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
    2480             : #define TYPE_ARG_TYPES(NODE)                            \
    2481             :   (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.values)
    2482             : #define TYPE_VALUES_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
    2483             : 
    2484             : #define TYPE_MIN_VALUE(NODE)                            \
    2485             :   (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.minval)
    2486             : #define TYPE_NEXT_PTR_TO(NODE)                          \
    2487             :   (POINTER_TYPE_CHECK (NODE)->type_non_common.minval)
    2488             : #define TYPE_NEXT_REF_TO(NODE)                          \
    2489             :   (REFERENCE_TYPE_CHECK (NODE)->type_non_common.minval)
    2490             : #define TYPE_VFIELD(NODE)                               \
    2491             :   (RECORD_OR_UNION_CHECK (NODE)->type_non_common.minval)
    2492             : #define TYPE_MIN_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.minval)
    2493             : 
    2494             : #define TYPE_MAX_VALUE(NODE) \
    2495             :   (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.maxval)
    2496             : #define TYPE_METHOD_BASETYPE(NODE)                      \
    2497             :   (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.maxval)
    2498             : #define TYPE_OFFSET_BASETYPE(NODE)                      \
    2499             :   (OFFSET_TYPE_CHECK (NODE)->type_non_common.maxval)
    2500             : /* If non-NULL, this is an upper bound of the size (in bytes) of an
    2501             :    object of the given ARRAY_TYPE_NON_COMMON.  This allows temporaries to be
    2502             :    allocated.  */
    2503             : #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
    2504             :   (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type_non_common.maxval)
    2505             : #define TYPE_MAX_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.maxval)
    2506             : /* For record and union types, information about this type, as a base type
    2507             :    for itself.  */
    2508             : #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK (NODE)->type_non_common.maxval)
    2509             : 
    2510             : /* For types, used in a language-dependent way.  */
    2511             : #define TYPE_LANG_SLOT_1(NODE) \
    2512             :   (TYPE_CHECK (NODE)->type_non_common.lang_1)
    2513             : 
    2514             : /* Define accessor macros for information about type inheritance
    2515             :    and basetypes.
    2516             : 
    2517             :    A "basetype" means a particular usage of a data type for inheritance
    2518             :    in another type.  Each such basetype usage has its own "binfo"
    2519             :    object to describe it.  The binfo object is a TREE_VEC node.
    2520             : 
    2521             :    Inheritance is represented by the binfo nodes allocated for a
    2522             :    given type.  For example, given types C and D, such that D is
    2523             :    inherited by C, 3 binfo nodes will be allocated: one for describing
    2524             :    the binfo properties of C, similarly one for D, and one for
    2525             :    describing the binfo properties of D as a base type for C.
    2526             :    Thus, given a pointer to class C, one can get a pointer to the binfo
    2527             :    of D acting as a basetype for C by looking at C's binfo's basetypes.  */
    2528             : 
    2529             : /* BINFO specific flags.  */
    2530             : 
    2531             : /* Nonzero means that the derivation chain is via a `virtual' declaration.  */
    2532             : #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
    2533             : 
    2534             : /* Flags for language dependent use.  */
    2535             : #define BINFO_FLAG_0(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
    2536             : #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
    2537             : #define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2 (TREE_BINFO_CHECK (NODE))
    2538             : #define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3 (TREE_BINFO_CHECK (NODE))
    2539             : #define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4 (TREE_BINFO_CHECK (NODE))
    2540             : #define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5 (TREE_BINFO_CHECK (NODE))
    2541             : #define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6 (TREE_BINFO_CHECK (NODE))
    2542             : 
    2543             : /* The actual data type node being inherited in this basetype.  */
    2544             : #define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK (NODE))
    2545             : 
    2546             : /* The offset where this basetype appears in its containing type.
    2547             :    BINFO_OFFSET slot holds the offset (in bytes)
    2548             :    from the base of the complete object to the base of the part of the
    2549             :    object that is allocated on behalf of this `type'.
    2550             :    This is always 0 except when there is multiple inheritance.  */
    2551             : 
    2552             : #define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK (NODE)->binfo.offset)
    2553             : #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
    2554             : 
    2555             : /* The virtual function table belonging to this basetype.  Virtual
    2556             :    function tables provide a mechanism for run-time method dispatching.
    2557             :    The entries of a virtual function table are language-dependent.  */
    2558             : 
    2559             : #define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtable)
    2560             : 
    2561             : /* The virtual functions in the virtual function table.  This is
    2562             :    a TREE_LIST that is used as an initial approximation for building
    2563             :    a virtual function table for this basetype.  */
    2564             : #define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK (NODE)->binfo.virtuals)
    2565             : 
    2566             : /* A vector of binfos for the direct basetypes inherited by this
    2567             :    basetype.
    2568             : 
    2569             :    If this basetype describes type D as inherited in C, and if the
    2570             :    basetypes of D are E and F, then this vector contains binfos for
    2571             :    inheritance of E and F by C.  */
    2572             : #define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK (NODE)->binfo.base_binfos)
    2573             : 
    2574             : /* The number of basetypes for NODE.  */
    2575             : #define BINFO_N_BASE_BINFOS(NODE) (BINFO_BASE_BINFOS (NODE)->length ())
    2576             : 
    2577             : /* Accessor macro to get to the Nth base binfo of this binfo.  */
    2578             : #define BINFO_BASE_BINFO(NODE,N) \
    2579             :  ((*BINFO_BASE_BINFOS (NODE))[(N)])
    2580             : #define BINFO_BASE_ITERATE(NODE,N,B) \
    2581             :  (BINFO_BASE_BINFOS (NODE)->iterate ((N), &(B)))
    2582             : #define BINFO_BASE_APPEND(NODE,T) \
    2583             :  (BINFO_BASE_BINFOS (NODE)->quick_push ((T)))
    2584             : 
    2585             : /* For a BINFO record describing a virtual base class, i.e., one where
    2586             :    TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
    2587             :    base.  The actual contents are language-dependent.  In the C++
    2588             :    front-end this field is an INTEGER_CST giving an offset into the
    2589             :    vtable where the offset to the virtual base can be found.  */
    2590             : #define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vptr_field)
    2591             : 
    2592             : /* Indicates the accesses this binfo has to its bases. The values are
    2593             :    access_public_node, access_protected_node or access_private_node.
    2594             :    If this array is not present, public access is implied.  */
    2595             : #define BINFO_BASE_ACCESSES(NODE) \
    2596             :   (TREE_BINFO_CHECK (NODE)->binfo.base_accesses)
    2597             : 
    2598             : #define BINFO_BASE_ACCESS(NODE,N) \
    2599             :   (*BINFO_BASE_ACCESSES (NODE))[(N)]
    2600             : #define BINFO_BASE_ACCESS_APPEND(NODE,T) \
    2601             :   BINFO_BASE_ACCESSES (NODE)->quick_push ((T))
    2602             : 
    2603             : /* The index in the VTT where this subobject's sub-VTT can be found.
    2604             :    NULL_TREE if there is no sub-VTT.  */
    2605             : #define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_subvtt)
    2606             : 
    2607             : /* The index in the VTT where the vptr for this subobject can be
    2608             :    found.  NULL_TREE if there is no secondary vptr in the VTT.  */
    2609             : #define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_vptr)
    2610             : 
    2611             : /* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
    2612             :    inheriting this base for non-virtual bases. For virtual bases it
    2613             :    points either to the binfo for which this is a primary binfo, or to
    2614             :    the binfo of the most derived type.  */
    2615             : #define BINFO_INHERITANCE_CHAIN(NODE) \
    2616             :         (TREE_BINFO_CHECK (NODE)->binfo.inheritance)
    2617             : 
    2618             : 
    2619             : /* Define fields and accessors for nodes representing declared names.  */
    2620             : 
    2621             : /* Nonzero if DECL represents an SSA name or a variable that can possibly
    2622             :    have an associated SSA name.  */
    2623             : #define SSA_VAR_P(DECL)                                                 \
    2624             :         (TREE_CODE (DECL) == VAR_DECL                                   \
    2625             :          || TREE_CODE (DECL) == PARM_DECL                               \
    2626             :          || TREE_CODE (DECL) == RESULT_DECL                             \
    2627             :          || TREE_CODE (DECL) == SSA_NAME)
    2628             : 
    2629             : 
    2630             : #define DECL_CHAIN(NODE) (TREE_CHAIN (DECL_MINIMAL_CHECK (NODE)))
    2631             : 
    2632             : /* This is the name of the object as written by the user.
    2633             :    It is an IDENTIFIER_NODE.  */
    2634             : #define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
    2635             : 
    2636             : /* The IDENTIFIER_NODE associated with the TYPE_NAME field.  */
    2637             : #define TYPE_IDENTIFIER(NODE) \
    2638             :   (TYPE_NAME (NODE) && DECL_P (TYPE_NAME (NODE)) \
    2639             :    ? DECL_NAME (TYPE_NAME (NODE)) : TYPE_NAME (NODE))
    2640             : 
    2641             : /* Every ..._DECL node gets a unique number.  */
    2642             : #define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
    2643             : 
    2644             : /* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
    2645             :    uses.  */
    2646             : #define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
    2647             : 
    2648             : /* Every ..._DECL node gets a unique number that stays the same even
    2649             :    when the decl is copied by the inliner once it is set.  */
    2650             : #define DECL_PT_UID(NODE) \
    2651             :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
    2652             :    ? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
    2653             : /* Initialize the ..._DECL node pt-uid to the decls uid.  */
    2654             : #define SET_DECL_PT_UID(NODE, UID) \
    2655             :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
    2656             : /* Whether the ..._DECL node pt-uid has been initialized and thus needs to
    2657             :    be preserved when copyin the decl.  */
    2658             : #define DECL_PT_UID_SET_P(NODE) \
    2659             :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
    2660             : 
    2661             : /* These two fields describe where in the source code the declaration
    2662             :    was.  If the declaration appears in several places (as for a C
    2663             :    function that is declared first and then defined later), this
    2664             :    information should refer to the definition.  */
    2665             : #define DECL_SOURCE_LOCATION(NODE) \
    2666             :   (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
    2667             : #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
    2668             : #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
    2669             : #define DECL_SOURCE_COLUMN(NODE) LOCATION_COLUMN (DECL_SOURCE_LOCATION (NODE))
    2670             : /* This decl was created by a front-end or back-end rather than by
    2671             :    user code, and has not been explicitly declared by the user -- when
    2672             :    that happens the source location is updated to the user's
    2673             :    source.  This includes decls with no location (!).  */
    2674             : #define DECL_IS_UNDECLARED_BUILTIN(DECL) \
    2675             :   (DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
    2676             : 
    2677             : /*  For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
    2678             :     QUAL_UNION_TYPE node that the field is a member of.  For VAR_DECL,
    2679             :     PARM_DECL, FUNCTION_DECL, LABEL_DECL, RESULT_DECL, and CONST_DECL
    2680             :     nodes, this points to either the FUNCTION_DECL for the containing
    2681             :     function, the RECORD_TYPE or UNION_TYPE for the containing type, or
    2682             :     NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
    2683             :     scope".  In particular, for VAR_DECLs which are virtual table pointers
    2684             :     (they have DECL_VIRTUAL set), we use DECL_CONTEXT to determine the type
    2685             :     they belong to.  */
    2686             : #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
    2687             : #define DECL_FIELD_CONTEXT(NODE) \
    2688             :   (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
    2689             : 
    2690             : /* If nonzero, decl's name shouldn't be emitted into debug info.  */
    2691             : #define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.u.bits.nameless_flag)
    2692             : 
    2693             : /* For any sort of a ..._DECL node, this points to the original (abstract)
    2694             :    decl node which this decl is an inlined/cloned instance of, or else it
    2695             :    is NULL indicating that this decl is not an instance of some other decl.
    2696             : 
    2697             :    The C front-end also uses this in a nested declaration of an inline
    2698             :    function, to point back to the definition.  */
    2699             : #define DECL_ABSTRACT_ORIGIN(NODE) \
    2700             :   (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
    2701             : 
    2702             : /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
    2703             :    origin.  This is useful when setting the DECL_ABSTRACT_ORIGIN.  */
    2704             : #define DECL_ORIGIN(NODE) \
    2705             :   (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
    2706             : 
    2707             : /* Nonzero for any sort of ..._DECL node means this decl node represents an
    2708             :    inline instance of some original (abstract) decl from an inline function;
    2709             :    suppress any warnings about shadowing some other variable.  FUNCTION_DECL
    2710             :    nodes can also have their abstract origin set to themselves.  */
    2711             : #define DECL_FROM_INLINE(NODE) \
    2712             :   (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
    2713             :    && DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
    2714             : 
    2715             : /* In a DECL this is the field where attributes are stored.  */
    2716             : #define DECL_ATTRIBUTES(NODE) \
    2717             :   (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
    2718             : 
    2719             : /* For a FUNCTION_DECL, holds the tree of BINDINGs.
    2720             :    For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
    2721             :    For a VAR_DECL, holds the initial value.
    2722             :    For a PARM_DECL, used for DECL_ARG_TYPE--default
    2723             :    values for parameters are encoded in the type of the function,
    2724             :    not in the PARM_DECL slot.
    2725             :    For a FIELD_DECL, this is used for enumeration values and the C
    2726             :    frontend uses it for temporarily storing bitwidth of bitfields.
    2727             : 
    2728             :    ??? Need to figure out some way to check this isn't a PARM_DECL.  */
    2729             : #define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
    2730             : 
    2731             : /* Holds the size of the datum, in bits, as a tree expression.
    2732             :    Need not be constant and may be null.  May be less than TYPE_SIZE
    2733             :    for a C++ FIELD_DECL representing a base class subobject with its
    2734             :    own virtual base classes (which are laid out separately).  */
    2735             : #define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
    2736             : /* Likewise for the size in bytes.  */
    2737             : #define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
    2738             : #define DECL_ALIGN_RAW(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
    2739             : /* Returns the alignment required for the datum, in bits.  It must
    2740             :    be a power of two, but an "alignment" of zero is supported
    2741             :    (e.g. as "uninitialized" sentinel).  */
    2742             : #define DECL_ALIGN(NODE)                                        \
    2743             :   (DECL_ALIGN_RAW (NODE)                                        \
    2744             :    ? ((unsigned)1) << (DECL_ALIGN_RAW (NODE) - 1) : 0)
    2745             : /* Specify that DECL_ALIGN(NODE) is X.  */
    2746             : #define SET_DECL_ALIGN(NODE, X) \
    2747             :   (DECL_ALIGN_RAW (NODE) = ffs_hwi (X))
    2748             : 
    2749             : /* The minimum alignment necessary for the datum, in bits, without
    2750             :    warning.  */
    2751             : #define DECL_WARN_IF_NOT_ALIGN_RAW(NODE)                        \
    2752             :   (DECL_COMMON_CHECK (NODE)->decl_common.warn_if_not_align)
    2753             : #define DECL_WARN_IF_NOT_ALIGN(NODE)                                    \
    2754             :   (DECL_WARN_IF_NOT_ALIGN_RAW (NODE)                                    \
    2755             :    ? ((unsigned)1) << (DECL_WARN_IF_NOT_ALIGN_RAW (NODE) - 1) : 0)
    2756             : 
    2757             : /* Specify that DECL_WARN_IF_NOT_ALIGN(NODE) is X.  */
    2758             : #define SET_DECL_WARN_IF_NOT_ALIGN(NODE, X)             \
    2759             :   (DECL_WARN_IF_NOT_ALIGN_RAW (NODE) = ffs_hwi (X))
    2760             : 
    2761             : /* The alignment of NODE, in bytes.  */
    2762             : #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
    2763             : /* Set if the alignment of this DECL has been set by the user, for
    2764             :    example with an 'aligned' attribute.  */
    2765             : #define DECL_USER_ALIGN(NODE) \
    2766             :   (DECL_COMMON_CHECK (NODE)->base.u.bits.user_align)
    2767             : /* Holds the machine mode corresponding to the declaration of a variable or
    2768             :    field.  Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
    2769             :    FIELD_DECL.  */
    2770             : #define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
    2771             : #define SET_DECL_MODE(NODE, MODE) \
    2772             :   (DECL_COMMON_CHECK (NODE)->decl_common.mode = (MODE))
    2773             : 
    2774             : /* For FUNCTION_DECL, if it is built-in, this identifies which built-in
    2775             :    operation it is.  This is only intended for low-level accesses;
    2776             :    normally DECL_FUNCTION_CODE, DECL_FE_FUNCTION_CODE or DECL_MD_FUNCTION
    2777             :    should be used instead.  */
    2778             : #define DECL_UNCHECKED_FUNCTION_CODE(NODE) \
    2779             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
    2780             : 
    2781             : /* Test if FCODE is a function code for an alloca operation.  */
    2782             : #define ALLOCA_FUNCTION_CODE_P(FCODE)                           \
    2783             :   ((FCODE) == BUILT_IN_ALLOCA                                   \
    2784             :    || (FCODE) == BUILT_IN_ALLOCA_WITH_ALIGN                     \
    2785             :    || (FCODE) == BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX)
    2786             : 
    2787             : /* Generate case for an alloca operation.  */
    2788             : #define CASE_BUILT_IN_ALLOCA                    \
    2789             :   case BUILT_IN_ALLOCA:                         \
    2790             :   case BUILT_IN_ALLOCA_WITH_ALIGN:              \
    2791             :   case BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX
    2792             : 
    2793             : #define DECL_FUNCTION_PERSONALITY(NODE) \
    2794             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.personality)
    2795             : 
    2796             : /* Nonzero for a given ..._DECL node means that the name of this node should
    2797             :    be ignored for symbolic debug purposes.  For a TYPE_DECL, this means that
    2798             :    the associated type should be ignored.  For a FUNCTION_DECL, the body of
    2799             :    the function should also be ignored.  */
    2800             : #define DECL_IGNORED_P(NODE) \
    2801             :   (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
    2802             : 
    2803             : /* Nonzero for a given ..._DECL node means that this node represents an
    2804             :    "abstract instance" of the given declaration (e.g. in the original
    2805             :    declaration of an inline function).  When generating symbolic debugging
    2806             :    information, we mustn't try to generate any address information for nodes
    2807             :    marked as "abstract instances" because we don't actually generate
    2808             :    any code or allocate any data space for such instances.  */
    2809             : #define DECL_ABSTRACT_P(NODE) \
    2810             :   (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
    2811             : 
    2812             : /* Language-specific decl information.  */
    2813             : #define DECL_LANG_SPECIFIC(NODE) \
    2814             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
    2815             : 
    2816             : /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
    2817             :    do not allocate storage, and refer to a definition elsewhere.  Note that
    2818             :    this does not necessarily imply the entity represented by NODE
    2819             :    has no program source-level definition in this translation unit.  For
    2820             :    example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
    2821             :    DECL_EXTERNAL may be true simultaneously; that can be the case for
    2822             :    a C99 "extern inline" function.  */
    2823             : #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_1)
    2824             : 
    2825             : /* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
    2826             :    For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
    2827             : 
    2828             :    For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
    2829             : 
    2830             :    Also set in some languages for variables, etc., outside the normal
    2831             :    lexical scope, such as class instance variables.  */
    2832             : #define DECL_NONLOCAL(NODE) \
    2833             :   (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
    2834             : 
    2835             : /* Used in VAR_DECLs to indicate that the variable is a vtable.
    2836             :    Used in FIELD_DECLs for vtable pointers.
    2837             :    Used in FUNCTION_DECLs to indicate that the function is virtual.  */
    2838             : #define DECL_VIRTUAL_P(NODE) \
    2839             :   (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
    2840             : 
    2841             : /* Used to indicate that this DECL represents a compiler-generated entity.  */
    2842             : #define DECL_ARTIFICIAL(NODE) \
    2843             :   (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
    2844             : 
    2845             : /* Additional flags for language-specific uses.  */
    2846             : #define DECL_LANG_FLAG_0(NODE) \
    2847             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
    2848             : #define DECL_LANG_FLAG_1(NODE) \
    2849             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
    2850             : #define DECL_LANG_FLAG_2(NODE) \
    2851             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
    2852             : #define DECL_LANG_FLAG_3(NODE) \
    2853             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
    2854             : #define DECL_LANG_FLAG_4(NODE) \
    2855             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
    2856             : #define DECL_LANG_FLAG_5(NODE) \
    2857             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
    2858             : #define DECL_LANG_FLAG_6(NODE) \
    2859             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
    2860             : #define DECL_LANG_FLAG_7(NODE) \
    2861             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
    2862             : #define DECL_LANG_FLAG_8(NODE) \
    2863             :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
    2864             : 
    2865             : /* Nonzero for a scope which is equal to file scope.  */
    2866             : #define SCOPE_FILE_SCOPE_P(EXP) \
    2867             :   (! (EXP) || TREE_CODE (EXP) == TRANSLATION_UNIT_DECL)
    2868             : /* Nonzero for a decl which is at file scope.  */
    2869             : #define DECL_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (DECL_CONTEXT (EXP))
    2870             : /* Nonzero for a type which is at file scope.  */
    2871             : #define TYPE_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (TYPE_CONTEXT (EXP))
    2872             : 
    2873             : /* Nonzero for a decl that is decorated using attribute used.
    2874             :    This indicates to compiler tools that this decl needs to be preserved.  */
    2875             : #define DECL_PRESERVE_P(DECL) \
    2876             :   DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
    2877             : 
    2878             : /* Nonzero for a decl that is decorated with the "noinit" attribute.
    2879             :    decls with this attribute are placed into the ".noinit" section, so they are
    2880             :    not initialized by the target's startup code.  */
    2881             : #define DECL_NOINIT_P(DECL)     \
    2882             :   (DECL_P (DECL)                \
    2883             :    && (lookup_attribute ("noinit", DECL_ATTRIBUTES (DECL)) != NULL_TREE))
    2884             : 
    2885             : /* Nonzero for a decl that is decorated with the "persistent" attribute.
    2886             :    decls with this attribute are placed into the ".persistent" section, so they
    2887             :    are not initialized by the target's startup code.  */
    2888             : #define DECL_PERSISTENT_P(DECL) \
    2889             :   (DECL_P (DECL)                \
    2890             :    && (lookup_attribute ("persistent", DECL_ATTRIBUTES (DECL)) != NULL_TREE))
    2891             : 
    2892             : /* For function local variables of COMPLEX and VECTOR types,
    2893             :    indicates that the variable is not aliased, and that all
    2894             :    modifications to the variable have been adjusted so that
    2895             :    they are killing assignments.  Thus the variable may now
    2896             :    be treated as a GIMPLE register, and use real instead of
    2897             :    virtual ops in SSA form.  */
    2898             : #define DECL_NOT_GIMPLE_REG_P(DECL) \
    2899             :   DECL_COMMON_CHECK (DECL)->decl_common.not_gimple_reg_flag
    2900             : 
    2901             : extern tree decl_value_expr_lookup (tree);
    2902             : extern void decl_value_expr_insert (tree, tree);
    2903             : 
    2904             : /* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
    2905             :    if transformations have made this more complicated than evaluating the
    2906             :    decl itself.  */
    2907             : #define DECL_HAS_VALUE_EXPR_P(NODE) \
    2908             :   (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, RESULT_DECL) \
    2909             :    ->decl_common.decl_flag_2)
    2910             : #define DECL_VALUE_EXPR(NODE) \
    2911             :   (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
    2912             : #define SET_DECL_VALUE_EXPR(NODE, VAL) \
    2913             :   (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
    2914             : 
    2915             : /* Holds the RTL expression for the value of a variable or function.
    2916             :    This value can be evaluated lazily for functions, variables with
    2917             :    static storage duration, and labels.  */
    2918             : #define DECL_RTL(NODE)                                  \
    2919             :   (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl         \
    2920             :    ? (NODE)->decl_with_rtl.rtl                                       \
    2921             :    : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
    2922             : 
    2923             : /* Set the DECL_RTL for NODE to RTL.  */
    2924             : #define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
    2925             : 
    2926             : /* Returns nonzero if NODE is a tree node that can contain RTL.  */
    2927             : #define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
    2928             : 
    2929             : /* Returns nonzero if the DECL_RTL for NODE has already been set.  */
    2930             : #define DECL_RTL_SET_P(NODE) \
    2931             :   (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
    2932             : 
    2933             : /* Copy the RTL from SRC_DECL to DST_DECL.  If the RTL was not set for
    2934             :    SRC_DECL, it will not be set for DST_DECL; this is a lazy copy.  */
    2935             : #define COPY_DECL_RTL(SRC_DECL, DST_DECL) \
    2936             :   (DECL_WRTL_CHECK (DST_DECL)->decl_with_rtl.rtl \
    2937             :    = DECL_WRTL_CHECK (SRC_DECL)->decl_with_rtl.rtl)
    2938             : 
    2939             : /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set.  */
    2940             : #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
    2941             : 
    2942             : #if (GCC_VERSION >= 2007)
    2943             : #define DECL_RTL_KNOWN_SET(decl) __extension__                          \
    2944             : ({  tree const __d = (decl);                                            \
    2945             :     gcc_checking_assert (DECL_RTL_SET_P (__d));                         \
    2946             :     /* Dereference it so the compiler knows it can't be NULL even       \
    2947             :        without assertion checking.  */                                  \
    2948             :     &*DECL_RTL_IF_SET (__d); })
    2949             : #else
    2950             : #define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
    2951             : #endif
    2952             : 
    2953             : /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'.  */
    2954             : #define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
    2955             : 
    2956             : /* In a FIELD_DECL, this is the field position, counting in bytes, of the
    2957             :    DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
    2958             :    of the structure.  */
    2959             : #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
    2960             : 
    2961             : /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
    2962             :    field from DECL_FIELD_OFFSET.  This field may be nonzero even for fields
    2963             :    that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
    2964             :    natural alignment of the field's type).  */
    2965             : #define DECL_FIELD_BIT_OFFSET(NODE) \
    2966             :   (FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
    2967             : 
    2968             : /* In a FIELD_DECL, this indicates whether the field was a bit-field and
    2969             :    if so, the type that was originally specified for it.
    2970             :    TREE_TYPE may have been modified (in finish_struct).  */
    2971             : #define DECL_BIT_FIELD_TYPE(NODE) \
    2972             :   (FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
    2973             : 
    2974             : /* In a FIELD_DECL of a RECORD_TYPE, this is a pointer to the storage
    2975             :    representative FIELD_DECL.  */
    2976             : #define DECL_BIT_FIELD_REPRESENTATIVE(NODE) \
    2977             :   (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
    2978             : 
    2979             : /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
    2980             :    if nonzero, indicates that the field occupies the type.  */
    2981             : #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
    2982             : 
    2983             : /* For FIELD_DECLs, off_align holds the number of low-order bits of
    2984             :    DECL_FIELD_OFFSET which are known to be always zero.
    2985             :    DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
    2986             :    has.  */
    2987             : #define DECL_OFFSET_ALIGN(NODE) \
    2988             :   (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
    2989             : 
    2990             : /* Specify that DECL_OFFSET_ALIGN(NODE) is X.  */
    2991             : #define SET_DECL_OFFSET_ALIGN(NODE, X) \
    2992             :   (FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
    2993             : 
    2994             : /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
    2995             :    which this FIELD_DECL is defined.  This information is needed when
    2996             :    writing debugging information about vfield and vbase decls for C++.  */
    2997             : #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
    2998             : 
    2999             : /* In a FIELD_DECL, indicates this field should be bit-packed.  */
    3000             : #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->base.u.bits.packed_flag)
    3001             : 
    3002             : /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
    3003             :    specially.  */
    3004             : #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
    3005             : 
    3006             : /* In a FIELD_DECL, indicates this field should be ignored for ABI decisions
    3007             :    like passing/returning containing struct by value.
    3008             :    Set for C++17 empty base artificial FIELD_DECLs as well as
    3009             :    empty [[no_unique_address]] non-static data members.  */
    3010             : #define DECL_FIELD_ABI_IGNORED(NODE) \
    3011             :   (!DECL_BIT_FIELD (NODE) && (NODE)->decl_common.decl_flag_0)
    3012             : #define SET_DECL_FIELD_ABI_IGNORED(NODE, VAL) \
    3013             :   do {                                                                  \
    3014             :     gcc_checking_assert (!DECL_BIT_FIELD (NODE));                       \
    3015             :     FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_0 = (VAL);                \
    3016             :   } while (0)
    3017             : 
    3018             : /* In a FIELD_DECL, indicates C++ zero-width bitfield that used to be
    3019             :    removed from the IL since PR42217 until PR101539 and by that changed
    3020             :    the ABI on several targets.  This flag is provided so that the backends
    3021             :    can decide on the ABI with zero-width bitfields and emit -Wpsabi
    3022             :    warnings.  */
    3023             : #define DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD(NODE) \
    3024             :   (DECL_BIT_FIELD (NODE) && (NODE)->decl_common.decl_flag_0)
    3025             : #define SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD(NODE, VAL) \
    3026             :   do {                                                                  \
    3027             :     gcc_checking_assert (DECL_BIT_FIELD (NODE));                        \
    3028             :     FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_0 = (VAL);                \
    3029             :   } while (0)
    3030             : 
    3031             : /* Used in a FIELD_DECL to indicate that we cannot form the address of
    3032             :    this component.  This makes it possible for Type-Based Alias Analysis
    3033             :    to disambiguate accesses to this field with indirect accesses using
    3034             :    the field's type:
    3035             : 
    3036             :      struct S { int i; } s;
    3037             :      int *p;
    3038             : 
    3039             :    If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
    3040             : 
    3041             :    From the implementation's viewpoint, the alias set of the type of the
    3042             :    field 'i' (int) will not be recorded as a subset of that of the type of
    3043             :    's' (struct S) in record_component_aliases.  The counterpart is that
    3044             :    accesses to s.i must not be given the alias set of the type of 'i'
    3045             :    (int) but instead directly that of the type of 's' (struct S).  */
    3046             : #define DECL_NONADDRESSABLE_P(NODE) \
    3047             :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
    3048             : 
    3049             : /* Used in a FIELD_DECL to indicate that this field is padding.  */
    3050             : #define DECL_PADDING_P(NODE) \
    3051             :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_3)
    3052             : 
    3053             : /* Used in a FIELD_DECL to indicate whether this field is not a flexible
    3054             :    array member. This is only valid for the last array type field of a
    3055             :    structure.  */
    3056             : #define DECL_NOT_FLEXARRAY(NODE) \
    3057             :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_not_flexarray)
    3058             : 
    3059             : /* A numeric unique identifier for a LABEL_DECL.  The UID allocation is
    3060             :    dense, unique within any one function, and may be used to index arrays.
    3061             :    If the value is -1, then no UID has been assigned.  */
    3062             : #define LABEL_DECL_UID(NODE) \
    3063             :   (LABEL_DECL_CHECK (NODE)->label_decl.label_decl_uid)
    3064             : 
    3065             : /* In a LABEL_DECL, the EH region number for which the label is the
    3066             :    post_landing_pad.  */
    3067             : #define EH_LANDING_PAD_NR(NODE) \
    3068             :   (LABEL_DECL_CHECK (NODE)->label_decl.eh_landing_pad_nr)
    3069             : 
    3070             : /* For a PARM_DECL, records the data type used to pass the argument,
    3071             :    which may be different from the type seen in the program.  */
    3072             : #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
    3073             : 
    3074             : /* For PARM_DECL, holds an RTL for the stack slot or register
    3075             :    where the data was actually passed.  */
    3076             : #define DECL_INCOMING_RTL(NODE) \
    3077             :   (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
    3078             : 
    3079             : /* Nonzero for a given ..._DECL node means that no warnings should be
    3080             :    generated just because this node is unused.  */
    3081             : #define DECL_IN_SYSTEM_HEADER(NODE) \
    3082             :   (in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
    3083             : 
    3084             : /* Used to indicate that the linkage status of this DECL is not yet known,
    3085             :    so it should not be output now.  */
    3086             : #define DECL_DEFER_OUTPUT(NODE) \
    3087             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
    3088             : 
    3089             : /* In a VAR_DECL that's static,
    3090             :    nonzero if the space is in the text section.  */
    3091             : #define DECL_IN_TEXT_SECTION(NODE) \
    3092             :   (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
    3093             : 
    3094             : /* In a VAR_DECL that's static,
    3095             :    nonzero if it belongs to the global constant pool.  */
    3096             : #define DECL_IN_CONSTANT_POOL(NODE) \
    3097             :   (VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
    3098             : 
    3099             : /* Nonzero for a given ..._DECL node means that this node should be
    3100             :    put in .common, if possible.  If a DECL_INITIAL is given, and it
    3101             :    is not error_mark_node, then the decl cannot be put in .common.  */
    3102             : #define DECL_COMMON(NODE) \
    3103             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
    3104             : 
    3105             : /* In a VAR_DECL, nonzero if the decl is a register variable with
    3106             :    an explicit asm specification.  */
    3107             : #define DECL_HARD_REGISTER(NODE)  \
    3108             :   (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
    3109             : 
    3110             :   /* Used to indicate that this DECL has weak linkage.  */
    3111             : #define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
    3112             : 
    3113             : /* Used to indicate that the DECL is a dllimport.  */
    3114             : #define DECL_DLLIMPORT_P(NODE) \
    3115             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
    3116             : 
    3117             : /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
    3118             :    not be put out unless it is needed in this translation unit.
    3119             :    Entities like this are shared across translation units (like weak
    3120             :    entities), but are guaranteed to be generated by any translation
    3121             :    unit that needs them, and therefore need not be put out anywhere
    3122             :    where they are not needed.  DECL_COMDAT is just a hint to the
    3123             :    back-end; it is up to front-ends which set this flag to ensure
    3124             :    that there will never be any harm, other than bloat, in putting out
    3125             :    something which is DECL_COMDAT.  */
    3126             : #define DECL_COMDAT(NODE) \
    3127             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
    3128             : 
    3129             : #define DECL_COMDAT_GROUP(NODE) \
    3130             :   decl_comdat_group (NODE)
    3131             : 
    3132             : /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
    3133             :    multiple translation units should be merged.  */
    3134             : #define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE \
    3135             :                              && (TREE_PUBLIC (NODE) || DECL_EXTERNAL (NODE)))
    3136             : 
    3137             : /* The name of the object as the assembler will see it (but before any
    3138             :    translations made by ASM_OUTPUT_LABELREF).  Often this is the same
    3139             :    as DECL_NAME.  It is an IDENTIFIER_NODE.
    3140             : 
    3141             :    ASSEMBLER_NAME of TYPE_DECLS may store global name of type used for
    3142             :    One Definition Rule based type merging at LTO.  It is computed only for
    3143             :    LTO compilation and C++.  */
    3144             : #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
    3145             : 
    3146             : /* Raw accessor for DECL_ASSEMBLE_NAME.  */
    3147             : #define DECL_ASSEMBLER_NAME_RAW(NODE) \
    3148             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name)
    3149             : 
    3150             : /* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
    3151             :    This is true of all DECL nodes except FIELD_DECL.  */
    3152             : #define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
    3153             :   (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
    3154             : 
    3155             : /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set.  If zero,
    3156             :    the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
    3157             :    yet.  */
    3158             : #define DECL_ASSEMBLER_NAME_SET_P(NODE) \
    3159             :   (DECL_ASSEMBLER_NAME_RAW (NODE) != NULL_TREE)
    3160             : 
    3161             : /* Set the DECL_ASSEMBLER_NAME for NODE to NAME.  */
    3162             : #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
    3163             :   overwrite_decl_assembler_name (NODE, NAME)
    3164             : 
    3165             : /* Copy the DECL_ASSEMBLER_NAME from SRC_DECL to DST_DECL.  Note that
    3166             :    if SRC_DECL's DECL_ASSEMBLER_NAME has not yet been set, using this
    3167             :    macro will not cause the DECL_ASSEMBLER_NAME to be set, but will
    3168             :    clear DECL_ASSEMBLER_NAME of DST_DECL, if it was already set.  In
    3169             :    other words, the semantics of using this macro, are different than
    3170             :    saying:
    3171             : 
    3172             :      SET_DECL_ASSEMBLER_NAME(DST_DECL, DECL_ASSEMBLER_NAME (SRC_DECL))
    3173             : 
    3174             :    which will try to set the DECL_ASSEMBLER_NAME for SRC_DECL.  */
    3175             : 
    3176             : #define COPY_DECL_ASSEMBLER_NAME(SRC_DECL, DST_DECL)                    \
    3177             :   SET_DECL_ASSEMBLER_NAME (DST_DECL, DECL_ASSEMBLER_NAME_RAW (SRC_DECL))
    3178             : 
    3179             : /* Records the section name in a section attribute.  Used to pass
    3180             :    the name from decl_attributes to make_function_rtl and make_decl_rtl.  */
    3181             : #define DECL_SECTION_NAME(NODE) decl_section_name (NODE)
    3182             : 
    3183             : /* Nonzero in a decl means that the gimplifier has seen (or placed)
    3184             :    this variable in a BIND_EXPR.  */
    3185             : #define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
    3186             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
    3187             : 
    3188             : /* Value of the decls's visibility attribute */
    3189             : #define DECL_VISIBILITY(NODE) \
    3190             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
    3191             : 
    3192             : /* Nonzero means that the decl (or an enclosing scope) had its
    3193             :    visibility specified rather than being inferred.  */
    3194             : #define DECL_VISIBILITY_SPECIFIED(NODE) \
    3195             :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
    3196             : 
    3197             : /* In a VAR_DECL, the model to use if the data should be allocated from
    3198             :    thread-local storage.  */
    3199             : #define DECL_TLS_MODEL(NODE) decl_tls_model (NODE)
    3200             : 
    3201             : /* In a VAR_DECL, nonzero if the data should be allocated from
    3202             :    thread-local storage.  */
    3203             : #define DECL_THREAD_LOCAL_P(NODE) \
    3204             :   ((TREE_STATIC (NODE) || DECL_EXTERNAL (NODE)) && decl_tls_model (NODE) >= TLS_MODEL_REAL)
    3205             : 
    3206             : /* In a non-local VAR_DECL with static storage duration, true if the
    3207             :    variable has an initialization priority.  If false, the variable
    3208             :    will be initialized at the DEFAULT_INIT_PRIORITY.  */
    3209             : #define DECL_HAS_INIT_PRIORITY_P(NODE) \
    3210             :   (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
    3211             : 
    3212             : extern tree decl_debug_expr_lookup (tree);
    3213             : extern void decl_debug_expr_insert (tree, tree);
    3214             : 
    3215             : /* For VAR_DECL, this is set to an expression that it was split from.  */
    3216             : #define DECL_HAS_DEBUG_EXPR_P(NODE) \
    3217             :   (VAR_DECL_CHECK (NODE)->decl_common.debug_expr_is_from)
    3218             : #define DECL_DEBUG_EXPR(NODE) \
    3219             :   (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
    3220             : 
    3221             : #define SET_DECL_DEBUG_EXPR(NODE, VAL) \
    3222             :   (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
    3223             : 
    3224             : extern priority_type decl_init_priority_lookup (tree);
    3225             : extern priority_type decl_fini_priority_lookup (tree);
    3226             : extern void decl_init_priority_insert (tree, priority_type);
    3227             : extern void decl_fini_priority_insert (tree, priority_type);
    3228             : 
    3229             : /* For a VAR_DECL or FUNCTION_DECL the initialization priority of
    3230             :    NODE.  */
    3231             : #define DECL_INIT_PRIORITY(NODE) \
    3232             :   (decl_init_priority_lookup (NODE))
    3233             : /* Set the initialization priority for NODE to VAL.  */
    3234             : #define SET_DECL_INIT_PRIORITY(NODE, VAL) \
    3235             :   (decl_init_priority_insert (NODE, VAL))
    3236             : 
    3237             : /* For a FUNCTION_DECL the finalization priority of NODE.  */
    3238             : #define DECL_FINI_PRIORITY(NODE) \
    3239             :   (decl_fini_priority_lookup (NODE))
    3240             : /* Set the finalization priority for NODE to VAL.  */
    3241             : #define SET_DECL_FINI_PRIORITY(NODE, VAL) \
    3242             :   (decl_fini_priority_insert (NODE, VAL))
    3243             : 
    3244             : /* The initialization priority for entities for which no explicit
    3245             :    initialization priority has been specified.  */
    3246             : #define DEFAULT_INIT_PRIORITY 65535
    3247             : 
    3248             : /* The maximum allowed initialization priority.  */
    3249             : #define MAX_INIT_PRIORITY 65535
    3250             : 
    3251             : /* The largest priority value reserved for use by system runtime
    3252             :    libraries.  */
    3253             : #define MAX_RESERVED_INIT_PRIORITY 100
    3254             : 
    3255             : /* In a VAR_DECL, nonzero if this is a global variable for VOPs.  */
    3256             : #define VAR_DECL_IS_VIRTUAL_OPERAND(NODE) \
    3257             :   (VAR_DECL_CHECK (NODE)->base.u.bits.saturating_flag)
    3258             : 
    3259             : /* In a VAR_DECL, nonzero if this is a non-local frame structure.  */
    3260             : #define DECL_NONLOCAL_FRAME(NODE)  \
    3261             :   (VAR_DECL_CHECK (NODE)->base.default_def_flag)
    3262             : 
    3263             : /* In a VAR_DECL, nonzero if this variable is not aliased by any pointer.  */
    3264             : #define DECL_NONALIASED(NODE) \
    3265             :   (VAR_DECL_CHECK (NODE)->base.nothrow_flag)
    3266             : 
    3267             : /* In a VAR_DECL, nonzero if this variable is not required to have a distinct
    3268             :    address from other variables with the same constant value.  In other words,
    3269             :    consider -fmerge-all-constants to be on for this VAR_DECL.  */
    3270             : #define DECL_MERGEABLE(NODE) \
    3271             :   (VAR_DECL_CHECK (NODE)->decl_common.decl_flag_3)
    3272             : 
    3273             : /* This field is used to reference anything in decl.result and is meant only
    3274             :    for use by the garbage collector.  */
    3275             : #define DECL_RESULT_FLD(NODE) \
    3276             :   (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
    3277             : 
    3278             : /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
    3279             :    Before the struct containing the FUNCTION_DECL is laid out,
    3280             :    DECL_VINDEX may point to a FUNCTION_DECL in a base class which
    3281             :    is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
    3282             :    function.  When the class is laid out, this pointer is changed
    3283             :    to an INTEGER_CST node which is suitable for use as an index
    3284             :    into the virtual function table. */
    3285             : #define DECL_VINDEX(NODE) \
    3286             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.vindex)
    3287             : 
    3288             : /* In FUNCTION_DECL, holds the decl for the return value.  */
    3289             : #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
    3290             : 
    3291             : /* In a FUNCTION_DECL, nonzero if the function cannot be inlined.  */
    3292             : #define DECL_UNINLINABLE(NODE) \
    3293             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
    3294             : 
    3295             : /* In a FUNCTION_DECL, the saved representation of the body of the
    3296             :    entire function.  */
    3297             : #define DECL_SAVED_TREE(NODE) \
    3298             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.saved_tree)
    3299             : 
    3300             : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3301             :    as if it were a malloc, meaning it returns a pointer that is
    3302             :    not an alias.  */
    3303             : #define DECL_IS_MALLOC(NODE) \
    3304             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
    3305             : 
    3306             : /* Macro for direct set and get of function_decl.decl_type.  */
    3307             : #define FUNCTION_DECL_DECL_TYPE(NODE) \
    3308             :   (NODE->function_decl.decl_type)
    3309             : 
    3310             : /* Set decl_type of a DECL.  Set it to T when SET is true, or reset
    3311             :    it to NONE.  */
    3312             : 
    3313             : inline void
    3314     1348593 : set_function_decl_type (tree decl, function_decl_type t, bool set)
    3315             : {
    3316     1348593 :   if (set)
    3317             :     {
    3318     1348593 :       gcc_assert (FUNCTION_DECL_DECL_TYPE (decl) == NONE
    3319             :                   || FUNCTION_DECL_DECL_TYPE (decl) == t);
    3320     1348593 :       FUNCTION_DECL_DECL_TYPE (decl) = t;
    3321             :     }
    3322           0 :   else if (FUNCTION_DECL_DECL_TYPE (decl) == t)
    3323           0 :     FUNCTION_DECL_DECL_TYPE (decl) = NONE;
    3324     1348593 : }
    3325             : 
    3326             : /* Nonzero in a FUNCTION_DECL means this function is a replaceable
    3327             :    function (like replaceable operators new or delete).  */
    3328             : #define DECL_IS_REPLACEABLE_OPERATOR(NODE)\
    3329             :    (FUNCTION_DECL_CHECK (NODE)->function_decl.replaceable_operator)
    3330             : 
    3331             : /* Nonzero in a FUNCTION_DECL means this function should be treated as
    3332             :    C++ operator new, meaning that it returns a pointer for which we
    3333             :    should not use type based aliasing.  */
    3334             : #define DECL_IS_OPERATOR_NEW_P(NODE) \
    3335             :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) == OPERATOR_NEW)
    3336             : 
    3337             : #define DECL_IS_REPLACEABLE_OPERATOR_NEW_P(NODE) \
    3338             :   (DECL_IS_OPERATOR_NEW_P (NODE) && DECL_IS_REPLACEABLE_OPERATOR (NODE))
    3339             : 
    3340             : #define DECL_SET_IS_OPERATOR_NEW(NODE, VAL) \
    3341             :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), OPERATOR_NEW, VAL)
    3342             : 
    3343             : /* Nonzero in a FUNCTION_DECL means this function should be treated as
    3344             :    C++ operator delete.  */
    3345             : #define DECL_IS_OPERATOR_DELETE_P(NODE) \
    3346             :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) == OPERATOR_DELETE)
    3347             : 
    3348             : #define DECL_SET_IS_OPERATOR_DELETE(NODE, VAL) \
    3349             :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), OPERATOR_DELETE, VAL)
    3350             : 
    3351             : /* Nonzero in a FUNCTION_DECL means this function may return more
    3352             :    than once.  */
    3353             : #define DECL_IS_RETURNS_TWICE(NODE) \
    3354             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
    3355             : 
    3356             : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3357             :    as "pure" function (like const function, but may read global memory).
    3358             :    Note that being pure or const for a function is orthogonal to being
    3359             :    nothrow, i.e. it is valid to have DECL_PURE_P set and TREE_NOTHROW
    3360             :    cleared.  */
    3361             : #define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
    3362             : 
    3363             : /* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
    3364             :    the const or pure function may not terminate.  When this is nonzero
    3365             :    for a const or pure function, it can be dealt with by cse passes
    3366             :    but cannot be removed by dce passes since you are not allowed to
    3367             :    change an infinite looping program into one that terminates without
    3368             :    error.  */
    3369             : #define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
    3370             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
    3371             : 
    3372             : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3373             :    as "novops" function (function that does not read global memory,
    3374             :    but may have arbitrary side effects).  */
    3375             : #define DECL_IS_NOVOPS(NODE) \
    3376             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
    3377             : 
    3378             : /* Used in FUNCTION_DECLs to indicate that they should be run automatically
    3379             :    at the beginning or end of execution.  */
    3380             : #define DECL_STATIC_CONSTRUCTOR(NODE) \
    3381             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
    3382             : 
    3383             : #define DECL_STATIC_DESTRUCTOR(NODE) \
    3384             : (FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
    3385             : 
    3386             : /* Used in FUNCTION_DECLs to indicate that function entry and exit should
    3387             :    be instrumented with calls to support routines.  */
    3388             : #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
    3389             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
    3390             : 
    3391             : /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
    3392             :    disabled in this function.  */
    3393             : #define DECL_NO_LIMIT_STACK(NODE) \
    3394             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
    3395             : 
    3396             : /* In a FUNCTION_DECL indicates that a static chain is needed.  */
    3397             : #define DECL_STATIC_CHAIN(NODE) \
    3398             :   (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.regdecl_flag)
    3399             : 
    3400             : /* Nonzero for a decl that cgraph has decided should be inlined into
    3401             :    at least one call site.  It is not meaningful to look at this
    3402             :    directly; always use cgraph_function_possibly_inlined_p.  */
    3403             : #define DECL_POSSIBLY_INLINED(DECL) \
    3404             :   FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
    3405             : 
    3406             : /* Nonzero in a FUNCTION_DECL means that this function was declared inline,
    3407             :    such as via the `inline' keyword in C/C++.  This flag controls the linkage
    3408             :    semantics of 'inline'  */
    3409             : #define DECL_DECLARED_INLINE_P(NODE) \
    3410             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
    3411             : 
    3412             : /* Nonzero in a FUNCTION_DECL means this function should not get
    3413             :    -Winline warnings.  */
    3414             : #define DECL_NO_INLINE_WARNING_P(NODE) \
    3415             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
    3416             : 
    3417             : /* Nonzero if a FUNCTION_CODE is a TM load/store.  */
    3418             : #define BUILTIN_TM_LOAD_STORE_P(FN) \
    3419             :   ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
    3420             : 
    3421             : /* Nonzero if a FUNCTION_CODE is a TM load.  */
    3422             : #define BUILTIN_TM_LOAD_P(FN) \
    3423             :   ((FN) >= BUILT_IN_TM_LOAD_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
    3424             : 
    3425             : /* Nonzero if a FUNCTION_CODE is a TM store.  */
    3426             : #define BUILTIN_TM_STORE_P(FN) \
    3427             :   ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_STORE_WAW_LDOUBLE)
    3428             : 
    3429             : #define CASE_BUILT_IN_TM_LOAD(FN)       \
    3430             :   case BUILT_IN_TM_LOAD_##FN:           \
    3431             :   case BUILT_IN_TM_LOAD_RAR_##FN:       \
    3432             :   case BUILT_IN_TM_LOAD_RAW_##FN:       \
    3433             :   case BUILT_IN_TM_LOAD_RFW_##FN
    3434             : 
    3435             : #define CASE_BUILT_IN_TM_STORE(FN)      \
    3436             :   case BUILT_IN_TM_STORE_##FN:          \
    3437             :   case BUILT_IN_TM_STORE_WAR_##FN:      \
    3438             :   case BUILT_IN_TM_STORE_WAW_##FN
    3439             : 
    3440             : /* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
    3441             :    disregarding size and cost heuristics.  This is equivalent to using
    3442             :    the always_inline attribute without the required diagnostics if the
    3443             :    function cannot be inlined.  */
    3444             : #define DECL_DISREGARD_INLINE_LIMITS(NODE) \
    3445             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
    3446             : 
    3447             : extern vec<tree, va_gc> **decl_debug_args_lookup (tree);
    3448             : extern vec<tree, va_gc> **decl_debug_args_insert (tree);
    3449             : 
    3450             : /* Nonzero if a FUNCTION_DECL has DEBUG arguments attached to it.  */
    3451             : #define DECL_HAS_DEBUG_ARGS_P(NODE) \
    3452             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.has_debug_args_flag)
    3453             : 
    3454             : /* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
    3455             :    that describes the status of this function.  */
    3456             : #define DECL_STRUCT_FUNCTION(NODE) \
    3457             :   (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
    3458             : 
    3459             : /* For a builtin function, identify which part of the compiler defined it.  */
    3460             : #define DECL_BUILT_IN_CLASS(NODE) \
    3461             :    ((built_in_class) FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
    3462             : 
    3463             : /* In FUNCTION_DECL, a chain of ..._DECL nodes.  */
    3464             : #define DECL_ARGUMENTS(NODE) \
    3465             :    (FUNCTION_DECL_CHECK (NODE)->function_decl.arguments)
    3466             : 
    3467             : /* In FUNCTION_DECL, the function specific target options to use when compiling
    3468             :    this function.  */
    3469             : #define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
    3470             :    (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
    3471             : 
    3472             : /* In FUNCTION_DECL, the function specific optimization options to use when
    3473             :    compiling this function.  */
    3474             : #define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
    3475             :    (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
    3476             : 
    3477             : /* In FUNCTION_DECL, this is set if this function has other versions generated
    3478             :    using "target" attributes.  The default version is the one which does not
    3479             :    have any "target" attribute set. */
    3480             : #define DECL_FUNCTION_VERSIONED(NODE)\
    3481             :    (FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
    3482             : 
    3483             : /* In FUNCTION_DECL, this is set if this function is a C++ constructor.
    3484             :    Devirtualization machinery uses this knowledge for determing type of the
    3485             :    object constructed.  Also we assume that constructor address is not
    3486             :    important.  */
    3487             : #define DECL_CXX_CONSTRUCTOR_P(NODE)\
    3488             :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
    3489             : 
    3490             : /* In FUNCTION_DECL, this is set if this function is a C++ destructor.
    3491             :    Devirtualization machinery uses this to track types in destruction.  */
    3492             : #define DECL_CXX_DESTRUCTOR_P(NODE)\
    3493             :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_destructor)
    3494             : 
    3495             : /* In FUNCTION_DECL, this is set if this function is a lambda function.  */
    3496             : #define DECL_LAMBDA_FUNCTION_P(NODE) \
    3497             :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) == LAMBDA_FUNCTION)
    3498             : 
    3499             : #define DECL_SET_LAMBDA_FUNCTION(NODE, VAL) \
    3500             :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), LAMBDA_FUNCTION, VAL)
    3501             : 
    3502             : /* In FUNCTION_DECL that represent an virtual method this is set when
    3503             :    the method is final.  */
    3504             : #define DECL_FINAL_P(NODE)\
    3505             :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.final)
    3506             : 
    3507             : /* The source language of the translation-unit.  */
    3508             : #define TRANSLATION_UNIT_LANGUAGE(NODE) \
    3509             :   (TRANSLATION_UNIT_DECL_CHECK (NODE)->translation_unit_decl.language)
    3510             : 
    3511             : /* TRANSLATION_UNIT_DECL inherits from DECL_MINIMAL.  */
    3512             : 
    3513             : /* For a TYPE_DECL, holds the "original" type.  (TREE_TYPE has the copy.) */
    3514             : #define DECL_ORIGINAL_TYPE(NODE) \
    3515             :   (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
    3516             : 
    3517             : /* In a TYPE_DECL nonzero means the detail info about this type is not dumped
    3518             :    into stabs.  Instead it will generate cross reference ('x') of names.
    3519             :    This uses the same flag as DECL_EXTERNAL.  */
    3520             : #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
    3521             :   (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_1)
    3522             : 
    3523             : /* Getter of the imported declaration associated to the
    3524             :    IMPORTED_DECL node.  */
    3525             : #define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
    3526             : (DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
    3527             : 
    3528             : /* Getter of the symbol declaration associated with the
    3529             :    NAMELIST_DECL node.  */
    3530             : #define NAMELIST_DECL_ASSOCIATED_DECL(NODE) \
    3531             :   (DECL_INITIAL (NODE))
    3532             : 
    3533             : /* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
    3534             :    To reduce overhead, the nodes containing the statements are not trees.
    3535             :    This avoids the overhead of tree_common on all linked list elements.
    3536             : 
    3537             :    Use the interface in tree-iterator.h to access this node.  */
    3538             : 
    3539             : #define STATEMENT_LIST_HEAD(NODE) \
    3540             :   (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
    3541             : #define STATEMENT_LIST_TAIL(NODE) \
    3542             :   (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
    3543             : 
    3544             : #define TREE_OPTIMIZATION(NODE) \
    3545             :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
    3546             : 
    3547             : #define TREE_OPTIMIZATION_OPTABS(NODE) \
    3548             :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.optabs)
    3549             : 
    3550             : #define TREE_OPTIMIZATION_BASE_OPTABS(NODE) \
    3551             :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.base_optabs)
    3552             : 
    3553             : /* Return a tree node that encapsulates the optimization options in OPTS
    3554             :    and OPTS_SET.  */
    3555             : extern tree build_optimization_node (struct gcc_options *opts,
    3556             :                                      struct gcc_options *opts_set);
    3557             : 
    3558             : #define TREE_TARGET_OPTION(NODE) \
    3559             :   (TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
    3560             : 
    3561             : #define TREE_TARGET_GLOBALS(NODE) \
    3562             :   (TARGET_OPTION_NODE_CHECK (NODE)->target_option.globals)
    3563             : 
    3564             : /* Return a tree node that encapsulates the target options in OPTS and
    3565             :    OPTS_SET.  */
    3566             : extern tree build_target_option_node (struct gcc_options *opts,
    3567             :                                       struct gcc_options *opts_set);
    3568             : 
    3569             : extern void prepare_target_option_nodes_for_pch (void);
    3570             : 
    3571             : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
    3572             : 
    3573             : inline tree
    3574 >29253*10^7 : tree_check (tree __t, const char *__f, int __l, const char *__g, tree_code __c)
    3575             : {
    3576 >26866*10^7 :   if (TREE_CODE (__t) != __c)
    3577           0 :     tree_check_failed (__t, __f, __l, __g, __c, 0);
    3578 >25636*10^7 :   return __t;
    3579             : }
    3580             : 
    3581             : inline tree
    3582  5766280804 : tree_not_check (tree __t, const char *__f, int __l, const char *__g,
    3583             :                 enum tree_code __c)
    3584             : {
    3585   483415114 :   if (TREE_CODE (__t) == __c)
    3586           0 :     tree_not_check_failed (__t, __f, __l, __g, __c, 0);
    3587   481813904 :   return __t;
    3588             : }
    3589             : 
    3590             : inline tree
    3591 15839424300 : tree_check2 (tree __t, const char *__f, int __l, const char *__g,
    3592             :              enum tree_code __c1, enum tree_code __c2)
    3593             : {
    3594 15839424300 :   if (TREE_CODE (__t) != __c1
    3595  7658874507 :       && TREE_CODE (__t) != __c2)
    3596           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3597 15839424300 :   return __t;
    3598             : }
    3599             : 
    3600             : inline tree
    3601 49921717296 : tree_not_check2 (tree __t, const char *__f, int __l, const char *__g,
    3602             :                  enum tree_code __c1, enum tree_code __c2)
    3603             : {
    3604 49921717296 :   if (TREE_CODE (__t) == __c1
    3605 49921717296 :       || TREE_CODE (__t) == __c2)
    3606           0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3607 49921717296 :   return __t;
    3608             : }
    3609             : 
    3610             : inline tree
    3611 24565146534 : tree_check3 (tree __t, const char *__f, int __l, const char *__g,
    3612             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3613             : {
    3614 24565146534 :   if (TREE_CODE (__t) != __c1
    3615   490837637 :       && TREE_CODE (__t) != __c2
    3616   158384501 :       && TREE_CODE (__t) != __c3)
    3617           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3618 24565146534 :   return __t;
    3619             : }
    3620             : 
    3621             : inline tree
    3622             : tree_not_check3 (tree __t, const char *__f, int __l, const char *__g,
    3623             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3624             : {
    3625             :   if (TREE_CODE (__t) == __c1
    3626             :       || TREE_CODE (__t) == __c2
    3627             :       || TREE_CODE (__t) == __c3)
    3628             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3629             :   return __t;
    3630             : }
    3631             : 
    3632             : inline tree
    3633  5017734137 : tree_check4 (tree __t, const char *__f, int __l, const char *__g,
    3634             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3635             :              enum tree_code __c4)
    3636             : {
    3637  5017734137 :   if (TREE_CODE (__t) != __c1
    3638  4948541481 :       && TREE_CODE (__t) != __c2
    3639  4944422737 :       && TREE_CODE (__t) != __c3
    3640  4939358176 :       && TREE_CODE (__t) != __c4)
    3641           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3642  5017734137 :   return __t;
    3643             : }
    3644             : 
    3645             : inline tree
    3646             : tree_not_check4 (tree __t, const char *__f, int __l, const char *__g,
    3647             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3648             :                  enum tree_code __c4)
    3649             : {
    3650             :   if (TREE_CODE (__t) == __c1
    3651             :       || TREE_CODE (__t) == __c2
    3652             :       || TREE_CODE (__t) == __c3
    3653             :       || TREE_CODE (__t) == __c4)
    3654             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3655             :   return __t;
    3656             : }
    3657             : 
    3658             : inline tree
    3659   478122005 : tree_check5 (tree __t, const char *__f, int __l, const char *__g,
    3660             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3661             :              enum tree_code __c4, enum tree_code __c5)
    3662             : {
    3663   478122005 :   if (TREE_CODE (__t) != __c1
    3664   192023500 :       && TREE_CODE (__t) != __c2
    3665   127782875 :       && TREE_CODE (__t) != __c3
    3666    50252585 :       && TREE_CODE (__t) != __c4
    3667      419076 :       && TREE_CODE (__t) != __c5)
    3668           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3669   478122005 :   return __t;
    3670             : }
    3671             : 
    3672             : inline tree
    3673             : tree_not_check5 (tree __t, const char *__f, int __l, const char *__g,
    3674             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3675             :                  enum tree_code __c4, enum tree_code __c5)
    3676             : {
    3677             :   if (TREE_CODE (__t) == __c1
    3678             :       || TREE_CODE (__t) == __c2
    3679             :       || TREE_CODE (__t) == __c3
    3680             :       || TREE_CODE (__t) == __c4
    3681             :       || TREE_CODE (__t) == __c5)
    3682             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3683             :   return __t;
    3684             : }
    3685             : 
    3686             : inline tree
    3687 >57675*10^7 : contains_struct_check (tree __t, const enum tree_node_structure_enum __s,
    3688             :                        const char *__f, int __l, const char *__g)
    3689             : {
    3690 >57675*10^7 :   if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
    3691           0 :       tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
    3692 >57675*10^7 :   return __t;
    3693             : }
    3694             : 
    3695             : inline tree
    3696 >22807*10^7 : tree_class_check (tree __t, const enum tree_code_class __class,
    3697             :                   const char *__f, int __l, const char *__g)
    3698             : {
    3699 >22807*10^7 :   if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
    3700           0 :     tree_class_check_failed (__t, __class, __f, __l, __g);
    3701 >22807*10^7 :   return __t;
    3702             : }
    3703             : 
    3704             : inline tree
    3705      573458 : tree_range_check (tree __t,
    3706             :                   enum tree_code __code1, enum tree_code __code2,
    3707             :                   const char *__f, int __l, const char *__g)
    3708             : {
    3709      573458 :   if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
    3710           0 :     tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3711      573458 :   return __t;
    3712             : }
    3713             : 
    3714             : inline tree
    3715      743681 : omp_clause_subcode_check (tree __t, enum omp_clause_code __code,
    3716             :                           const char *__f, int __l, const char *__g)
    3717             : {
    3718      743681 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3719           0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3720      743681 :   if (__t->omp_clause.code != __code)
    3721           0 :     omp_clause_check_failed (__t, __f, __l, __g, __code);
    3722      743681 :   return __t;
    3723             : }
    3724             : 
    3725             : inline tree
    3726      562315 : omp_clause_range_check (tree __t,
    3727             :                         enum omp_clause_code __code1,
    3728             :                         enum omp_clause_code __code2,
    3729             :                         const char *__f, int __l, const char *__g)
    3730             : {
    3731      562315 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3732           0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3733      562315 :   if ((int) __t->omp_clause.code < (int) __code1
    3734      562315 :       || (int) __t->omp_clause.code > (int) __code2)
    3735           0 :     omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3736      562315 :   return __t;
    3737             : }
    3738             : 
    3739             : /* These checks have to be special cased.  */
    3740             : 
    3741             : inline tree
    3742 49045735491 : expr_check (tree __t, const char *__f, int __l, const char *__g)
    3743             : {
    3744 49045735491 :   char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
    3745 49045735491 :   if (!IS_EXPR_CODE_CLASS (__c))
    3746           0 :     tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
    3747 49045735491 :   return __t;
    3748             : }
    3749             : 
    3750             : /* These checks have to be special cased.  */
    3751             : 
    3752             : inline tree
    3753  2974263638 : non_type_check (tree __t, const char *__f, int __l, const char *__g)
    3754             : {
    3755  2974263638 :   if (TYPE_P (__t))
    3756           0 :     tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
    3757  2974263638 :   return __t;
    3758             : }
    3759             : 
    3760             : inline const HOST_WIDE_INT *
    3761  5736607066 : tree_int_cst_elt_check (const_tree __t, int __i,
    3762             :                         const char *__f, int __l, const char *__g)
    3763             : {
    3764  5736607066 :   if (TREE_CODE (__t) != INTEGER_CST)
    3765           0 :     tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
    3766  5736607066 :   if (__i < 0 || __i >= __t->base.u.int_length.extended)
    3767           0 :     tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
    3768             :                                    __f, __l, __g);
    3769  5736607066 :   return &CONST_CAST_TREE (__t)->int_cst.val[__i];
    3770             : }
    3771             : 
    3772             : inline HOST_WIDE_INT *
    3773  7899458224 : tree_int_cst_elt_check (tree __t, int __i,
    3774             :                         const char *__f, int __l, const char *__g)
    3775             : {
    3776  7899458224 :   if (TREE_CODE (__t) != INTEGER_CST)
    3777           0 :     tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
    3778  7899458224 :   if (__i < 0 || __i >= __t->base.u.int_length.extended)
    3779           0 :     tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
    3780             :                                    __f, __l, __g);
    3781  7899458224 :   return &CONST_CAST_TREE (__t)->int_cst.val[__i];
    3782             : }
    3783             : 
    3784             : /* Workaround -Wstrict-overflow false positive during profiledbootstrap.  */
    3785             : 
    3786             : # if GCC_VERSION >= 4006
    3787             : #pragma GCC diagnostic push
    3788             : #pragma GCC diagnostic ignored "-Wstrict-overflow"
    3789             : #endif
    3790             : 
    3791             : inline tree *
    3792 38736703755 : tree_vec_elt_check (tree __t, int __i,
    3793             :                     const char *__f, int __l, const char *__g)
    3794             : {
    3795 38736703755 :   if (TREE_CODE (__t) != TREE_VEC)
    3796           0 :     tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
    3797 38736703755 :   if (__i < 0 || __i >= __t->base.u.length)
    3798           0 :     tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
    3799 38736703755 :   return &CONST_CAST_TREE (__t)->vec.a[__i];
    3800             : }
    3801             : 
    3802             : # if GCC_VERSION >= 4006
    3803             : #pragma GCC diagnostic pop
    3804             : #endif
    3805             : 
    3806             : inline tree *
    3807      499401 : omp_clause_elt_check (tree __t, int __i,
    3808             :                       const char *__f, int __l, const char *__g)
    3809             : {
    3810      499401 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3811           0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3812      499401 :   if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
    3813           0 :     omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
    3814      499401 :   return &__t->omp_clause.ops[__i];
    3815             : }
    3816             : 
    3817             : /* These checks have to be special cased.  */
    3818             : 
    3819             : inline tree
    3820    31230293 : any_integral_type_check (tree __t, const char *__f, int __l, const char *__g)
    3821             : {
    3822    31230293 :   if (!ANY_INTEGRAL_TYPE_P (__t))
    3823           0 :     tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
    3824             :                        INTEGER_TYPE, 0);
    3825    31230293 :   return __t;
    3826             : }
    3827             : 
    3828             : inline const_tree
    3829 13253820761 : tree_check (const_tree __t, const char *__f, int __l, const char *__g,
    3830             :             tree_code __c)
    3831             : {
    3832  5691380409 :   if (TREE_CODE (__t) != __c)
    3833           0 :     tree_check_failed (__t, __f, __l, __g, __c, 0);
    3834 10598847555 :   return __t;
    3835             : }
    3836             : 
    3837             : inline const_tree
    3838     4772637 : tree_not_check (const_tree __t, const char *__f, int __l, const char *__g,
    3839             :                 enum tree_code __c)
    3840             : {
    3841     4772637 :   if (TREE_CODE (__t) == __c)
    3842           0 :     tree_not_check_failed (__t, __f, __l, __g, __c, 0);
    3843     4772637 :   return __t;
    3844             : }
    3845             : 
    3846             : inline const_tree
    3847  7487187505 : tree_check2 (const_tree __t, const char *__f, int __l, const char *__g,
    3848             :              enum tree_code __c1, enum tree_code __c2)
    3849             : {
    3850  7487187505 :   if (TREE_CODE (__t) != __c1
    3851  4973780447 :       && TREE_CODE (__t) != __c2)
    3852           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3853  7487187505 :   return __t;
    3854             : }
    3855             : 
    3856             : inline const_tree
    3857  1936777010 : tree_not_check2 (const_tree __t, const char *__f, int __l, const char *__g,
    3858             :                  enum tree_code __c1, enum tree_code __c2)
    3859             : {
    3860  1936777010 :   if (TREE_CODE (__t) == __c1
    3861  1936777010 :       || TREE_CODE (__t) == __c2)
    3862           0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3863  1936777010 :   return __t;
    3864             : }
    3865             : 
    3866             : inline const_tree
    3867  2354624260 : tree_check3 (const_tree __t, const char *__f, int __l, const char *__g,
    3868             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3869             : {
    3870  2354624260 :   if (TREE_CODE (__t) != __c1
    3871   103972261 :       && TREE_CODE (__t) != __c2
    3872    21799947 :       && TREE_CODE (__t) != __c3)
    3873           0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3874  2354624260 :   return __t;
    3875             : }
    3876             : 
    3877             : inline const_tree
    3878             : tree_not_check3 (const_tree __t, const char *__f, int __l, const char *__g,
    3879             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3880             : {
    3881             :   if (TREE_CODE (__t) == __c1
    3882             :       || TREE_CODE (__t) == __c2
    3883             :       || TREE_CODE (__t) == __c3)
    3884             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3885             :   return __t;
    3886             : }
    3887             : 
    3888             : inline const_tree
    3889             : tree_check4 (const_tree __t, const char *__f, int __l, const char *__g,
    3890             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3891             :              enum tree_code __c4)
    3892             : {
    3893             :   if (TREE_CODE (__t) != __c1
    3894             :       && TREE_CODE (__t) != __c2
    3895             :       && TREE_CODE (__t) != __c3
    3896             :       && TREE_CODE (__t) != __c4)
    3897             :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3898             :   return __t;
    3899             : }
    3900             : 
    3901             : inline const_tree
    3902             : tree_not_check4 (const_tree __t, const char *__f, int __l, const char *__g,
    3903             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3904             :                  enum tree_code __c4)
    3905             : {
    3906             :   if (TREE_CODE (__t) == __c1
    3907             :       || TREE_CODE (__t) == __c2
    3908             :       || TREE_CODE (__t) == __c3
    3909             :       || TREE_CODE (__t) == __c4)
    3910             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3911             :   return __t;
    3912             : }
    3913             : 
    3914             : inline const_tree
    3915             : tree_check5 (const_tree __t, const char *__f, int __l, const char *__g,
    3916             :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3917             :              enum tree_code __c4, enum tree_code __c5)
    3918             : {
    3919             :   if (TREE_CODE (__t) != __c1
    3920             :       && TREE_CODE (__t) != __c2
    3921             :       && TREE_CODE (__t) != __c3
    3922             :       && TREE_CODE (__t) != __c4
    3923             :       && TREE_CODE (__t) != __c5)
    3924             :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3925             :   return __t;
    3926             : }
    3927             : 
    3928             : inline const_tree
    3929             : tree_not_check5 (const_tree __t, const char *__f, int __l, const char *__g,
    3930             :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3931             :                  enum tree_code __c4, enum tree_code __c5)
    3932             : {
    3933             :   if (TREE_CODE (__t) == __c1
    3934             :       || TREE_CODE (__t) == __c2
    3935             :       || TREE_CODE (__t) == __c3
    3936             :       || TREE_CODE (__t) == __c4
    3937             :       || TREE_CODE (__t) == __c5)
    3938             :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3939             :   return __t;
    3940             : }
    3941             : 
    3942             : inline const_tree
    3943 35066928219 : contains_struct_check (const_tree __t, const enum tree_node_structure_enum __s,
    3944             :                        const char *__f, int __l, const char *__g)
    3945             : {
    3946 35066928219 :   if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
    3947           0 :       tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
    3948 35066928219 :   return __t;
    3949             : }
    3950             : 
    3951             : inline const_tree
    3952 70267721087 : tree_class_check (const_tree __t, const enum tree_code_class __class,
    3953             :                   const char *__f, int __l, const char *__g)
    3954             : {
    3955 70267721087 :   if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
    3956           0 :     tree_class_check_failed (__t, __class, __f, __l, __g);
    3957 70267721087 :   return __t;
    3958             : }
    3959             : 
    3960             : inline const_tree
    3961             : tree_range_check (const_tree __t,
    3962             :                   enum tree_code __code1, enum tree_code __code2,
    3963             :                   const char *__f, int __l, const char *__g)
    3964             : {
    3965             :   if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
    3966             :     tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3967             :   return __t;
    3968             : }
    3969             : 
    3970             : inline const_tree
    3971             : omp_clause_subcode_check (const_tree __t, enum omp_clause_code __code,
    3972             :                           const char *__f, int __l, const char *__g)
    3973             : {
    3974             :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3975             :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3976             :   if (__t->omp_clause.code != __code)
    3977             :     omp_clause_check_failed (__t, __f, __l, __g, __code);
    3978             :   return __t;
    3979             : }
    3980             : 
    3981             : inline const_tree
    3982             : omp_clause_range_check (const_tree __t,
    3983             :                         enum omp_clause_code __code1,
    3984             :                         enum omp_clause_code __code2,
    3985             :                         const char *__f, int __l, const char *__g)
    3986             : {
    3987             :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3988             :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3989             :   if ((int) __t->omp_clause.code < (int) __code1
    3990             :       || (int) __t->omp_clause.code > (int) __code2)
    3991             :     omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3992             :   return __t;
    3993             : }
    3994             : 
    3995             : inline const_tree
    3996  8950234409 : expr_check (const_tree __t, const char *__f, int __l, const char *__g)
    3997             : {
    3998  8950234409 :   char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
    3999  8950234409 :   if (!IS_EXPR_CODE_CLASS (__c))
    4000           0 :     tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
    4001  8950234409 :   return __t;
    4002             : }
    4003             : 
    4004             : inline const_tree
    4005   109077241 : non_type_check (const_tree __t, const char *__f, int __l, const char *__g)
    4006             : {
    4007   109077241 :   if (TYPE_P (__t))
    4008           0 :     tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
    4009   109077241 :   return __t;
    4010             : }
    4011             : 
    4012             : # if GCC_VERSION >= 4006
    4013             : #pragma GCC diagnostic push
    4014             : #pragma GCC diagnostic ignored "-Wstrict-overflow"
    4015             : #endif
    4016             : 
    4017             : inline const_tree *
    4018  3007534930 : tree_vec_elt_check (const_tree __t, int __i,
    4019             :                     const char *__f, int __l, const char *__g)
    4020             : {
    4021  3007534930 :   if (TREE_CODE (__t) != TREE_VEC)
    4022           0 :     tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
    4023  3007534930 :   if (__i < 0 || __i >= __t->base.u.length)
    4024           0 :     tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
    4025  3007534930 :   return CONST_CAST (const_tree *, &__t->vec.a[__i]);
    4026             :   //return &__t->vec.a[__i];
    4027             : }
    4028             : 
    4029             : # if GCC_VERSION >= 4006
    4030             : #pragma GCC diagnostic pop
    4031             : #endif
    4032             : 
    4033             : inline const_tree *
    4034             : omp_clause_elt_check (const_tree __t, int __i,
    4035             :                       const char *__f, int __l, const char *__g)
    4036             : {
    4037             :   if (TREE_CODE (__t) != OMP_CLAUSE)
    4038             :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    4039             :   if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
    4040             :     omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
    4041             :   return CONST_CAST (const_tree *, &__t->omp_clause.ops[__i]);
    4042             : }
    4043             : 
    4044             : inline const_tree
    4045             : any_integral_type_check (const_tree __t, const char *__f, int __l,
    4046             :                          const char *__g)
    4047             : {
    4048             :   if (!ANY_INTEGRAL_TYPE_P (__t))
    4049             :     tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
    4050             :                        INTEGER_TYPE, 0);
    4051             :   return __t;
    4052             : }
    4053             : 
    4054             : #endif
    4055             : 
    4056             : /* Compute the number of operands in an expression node NODE.  For
    4057             :    tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
    4058             :    otherwise it is looked up from the node's code.  */
    4059             : inline int
    4060 68331862352 : tree_operand_length (const_tree node)
    4061             : {
    4062 68331862352 :   if (VL_EXP_CLASS_P (node))
    4063  4619014583 :     return VL_EXP_OPERAND_LENGTH (node);
    4064             :   else
    4065 63712847769 :     return TREE_CODE_LENGTH (TREE_CODE (node));
    4066             : }
    4067             : 
    4068             : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
    4069             : 
    4070             : /* Special checks for TREE_OPERANDs.  */
    4071             : inline tree *
    4072 47519884336 : tree_operand_check (tree __t, int __i,
    4073             :                     const char *__f, int __l, const char *__g)
    4074             : {
    4075 47519884336 :   const_tree __u = EXPR_CHECK (__t);
    4076 47519884336 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
    4077           0 :     tree_operand_check_failed (__i, __u, __f, __l, __g);
    4078 47519884336 :   return &CONST_CAST_TREE (__u)->exp.operands[__i];
    4079             : }
    4080             : 
    4081             : inline tree *
    4082    74797549 : tree_operand_check_code (tree __t, enum tree_code __code, int __i,
    4083             :                          const char *__f, int __l, const char *__g)
    4084             : {
    4085    74797549 :   if (TREE_CODE (__t) != __code)
    4086           0 :     tree_check_failed (__t, __f, __l, __g, __code, 0);
    4087    74797549 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
    4088           0 :     tree_operand_check_failed (__i, __t, __f, __l, __g);
    4089    74797549 :   return &__t->exp.operands[__i];
    4090             : }
    4091             : 
    4092             : inline const_tree *
    4093  8950234402 : tree_operand_check (const_tree __t, int __i,
    4094             :                     const char *__f, int __l, const char *__g)
    4095             : {
    4096  8950234402 :   const_tree __u = EXPR_CHECK (__t);
    4097  8950234402 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
    4098           0 :     tree_operand_check_failed (__i, __u, __f, __l, __g);
    4099  8950234402 :   return CONST_CAST (const_tree *, &__u->exp.operands[__i]);
    4100             : }
    4101             : 
    4102             : inline const_tree *
    4103             : tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
    4104             :                          const char *__f, int __l, const char *__g)
    4105             : {
    4106             :   if (TREE_CODE (__t) != __code)
    4107             :     tree_check_failed (__t, __f, __l, __g, __code, 0);
    4108             :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
    4109             :     tree_operand_check_failed (__i, __t, __f, __l, __g);
    4110             :   return CONST_CAST (const_tree *, &__t->exp.operands[__i]);
    4111             : }
    4112             : 
    4113             : #endif
    4114             : 
    4115             : /* True iff an identifier matches a C string.  */
    4116             : 
    4117             : inline bool
    4118   174365421 : id_equal (const_tree id, const char *str)
    4119             : {
    4120   174365421 :   return !strcmp (IDENTIFIER_POINTER (id), str);
    4121             : }
    4122             : 
    4123             : inline bool
    4124             : id_equal (const char *str, const_tree id)
    4125             : {
    4126             :   return id_equal (id, str);
    4127             : }
    4128             : 
    4129             : /* Return the number of elements in the VECTOR_TYPE given by NODE.  */
    4130             : 
    4131             : inline poly_uint64
    4132    43643136 : TYPE_VECTOR_SUBPARTS (const_tree node)
    4133             : {
    4134    43643136 :   STATIC_ASSERT (NUM_POLY_INT_COEFFS <= 2);
    4135    43643136 :   unsigned int precision = VECTOR_TYPE_CHECK (node)->type_common.precision;
    4136    43643136 :   if (NUM_POLY_INT_COEFFS == 2)
    4137             :     {
    4138             :       /* See the corresponding code in SET_TYPE_VECTOR_SUBPARTS for a
    4139             :          description of the encoding.  */
    4140             :       poly_uint64 res = 0;
    4141             :       res.coeffs[0] = HOST_WIDE_INT_1U << (precision & 0xff);
    4142             :       if (precision & 0x100)
    4143             :         res.coeffs[1] = HOST_WIDE_INT_1U << (precision & 0xff);
    4144             :       return res;
    4145             :     }
    4146             :   else
    4147    43643136 :     return HOST_WIDE_INT_1U << precision;
    4148             : }
    4149             : 
    4150             : /* Set the number of elements in VECTOR_TYPE NODE to SUBPARTS, which must
    4151             :    satisfy valid_vector_subparts_p.  */
    4152             : 
    4153             : inline void
    4154             : SET_TYPE_VECTOR_SUBPARTS (tree node, poly_uint64 subparts)
    4155             : {
    4156             :   STATIC_ASSERT (NUM_POLY_INT_COEFFS <= 2);
    4157             :   unsigned HOST_WIDE_INT coeff0 = subparts.coeffs[0];
    4158             :   int index = exact_log2 (coeff0);
    4159             :   gcc_assert (index >= 0);
    4160             :   if (NUM_POLY_INT_COEFFS == 2)
    4161             :     {
    4162             :       /* We have two coefficients that are each in the range 1 << [0, 63],
    4163             :          so supporting all combinations would require 6 bits per coefficient
    4164             :          and 12 bits in total.  Since the precision field is only 10 bits
    4165             :          in size, we need to be more restrictive than that.
    4166             : 
    4167             :          At present, coeff[1] is always either 0 (meaning that the number
    4168             :          of units is constant) or equal to coeff[0] (meaning that the number
    4169             :          of units is N + X * N for some target-dependent zero-based runtime
    4170             :          parameter X).  We can therefore encode coeff[1] in a single bit.
    4171             : 
    4172             :          The most compact encoding would be to use mask 0x3f for coeff[0]
    4173             :          and 0x40 for coeff[1], leaving 0x380 unused.  It's possible to
    4174             :          get slightly more efficient code on some hosts if we instead
    4175             :          treat the shift amount as an independent byte, so here we use
    4176             :          0xff for coeff[0] and 0x100 for coeff[1].  */
    4177             :       unsigned HOST_WIDE_INT coeff1 = subparts.coeffs[1];
    4178             :       gcc_assert (coeff1 == 0 || coeff1 == coeff0);
    4179             :       VECTOR_TYPE_CHECK (node)->type_common.precision
    4180             :         = index + (coeff1 != 0 ? 0x100 : 0);
    4181             :     }
    4182             :   else
    4183             :     VECTOR_TYPE_CHECK (node)->type_common.precision = index;
    4184             : }
    4185             : 
    4186             : /* Return true if we can construct vector types with the given number
    4187             :    of subparts.  */
    4188             : 
    4189             : inline bool
    4190             : valid_vector_subparts_p (poly_uint64 subparts)
    4191             : {
    4192             :   unsigned HOST_WIDE_INT coeff0 = subparts.coeffs[0];
    4193             :   if (!pow2p_hwi (coeff0))
    4194             :     return false;
    4195             :   if (NUM_POLY_INT_COEFFS == 2)
    4196             :     {
    4197             :       unsigned HOST_WIDE_INT coeff1 = subparts.coeffs[1];
    4198             :       if (coeff1 != 0 && coeff1 != coeff0)
    4199             :         return false;
    4200             :     }
    4201             :   return true;
    4202             : }
    4203             : 
    4204             : /* Return the built-in function that DECL represents, given that it is known
    4205             :    to be a FUNCTION_DECL with built-in class BUILT_IN_NORMAL.  */
    4206             : inline built_in_function
    4207    63793388 : DECL_FUNCTION_CODE (const_tree decl)
    4208             : {
    4209    63793388 :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4210    63793388 :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_NORMAL);
    4211    63793388 :   return (built_in_function) fndecl.function_code;
    4212             : }
    4213             : 
    4214             : /* Return the target-specific built-in function that DECL represents,
    4215             :    given that it is known to be a FUNCTION_DECL with built-in class
    4216             :    BUILT_IN_MD.  */
    4217             : inline int
    4218             : DECL_MD_FUNCTION_CODE (const_tree decl)
    4219             : {
    4220             :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4221             :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_MD);
    4222             :   return fndecl.function_code;
    4223             : }
    4224             : 
    4225             : /* Return the frontend-specific built-in function that DECL represents,
    4226             :    given that it is known to be a FUNCTION_DECL with built-in class
    4227             :    BUILT_IN_FRONTEND.  */
    4228             : inline int
    4229      137540 : DECL_FE_FUNCTION_CODE (const_tree decl)
    4230             : {
    4231      137540 :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4232      137540 :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_FRONTEND);
    4233      137540 :   return fndecl.function_code;
    4234             : }
    4235             : 
    4236             : /* Record that FUNCTION_DECL DECL represents built-in function FCODE of
    4237             :    class FCLASS.  */
    4238             : inline void
    4239       76591 : set_decl_built_in_function (tree decl, built_in_class fclass,
    4240             :                             unsigned int fcode)
    4241             : {
    4242       76591 :   tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4243       76591 :   fndecl.built_in_class = fclass;
    4244       76591 :   fndecl.function_code = fcode;
    4245       76591 : }
    4246             : 
    4247             : /* Record that FUNCTION_DECL NEWDECL represents the same built-in function
    4248             :    as OLDDECL (or none, if OLDDECL doesn't represent a built-in function).  */
    4249             : inline void
    4250     2693390 : copy_decl_built_in_function (tree newdecl, const_tree olddecl)
    4251             : {
    4252     2693390 :   tree_function_decl &newfndecl = FUNCTION_DECL_CHECK (newdecl)->function_decl;
    4253     2693390 :   const tree_function_decl &oldfndecl
    4254     2693390 :     = FUNCTION_DECL_CHECK (olddecl)->function_decl;
    4255     2693390 :   newfndecl.built_in_class = oldfndecl.built_in_class;
    4256     2693390 :   newfndecl.function_code = oldfndecl.function_code;
    4257     2693390 : }
    4258             : 
    4259             : /* In NON_LVALUE_EXPR and VIEW_CONVERT_EXPR, set when this node is merely a
    4260             :    wrapper added to express a location_t on behalf of the node's child
    4261             :    (e.g. by maybe_wrap_with_location).  */
    4262             : 
    4263             : #define EXPR_LOCATION_WRAPPER_P(NODE) \
    4264             :   (TREE_CHECK2(NODE, NON_LVALUE_EXPR, VIEW_CONVERT_EXPR)->base.public_flag)
    4265             : 
    4266             : /* Test if EXP is merely a wrapper node, added to express a location_t
    4267             :    on behalf of the node's child (e.g. by maybe_wrap_with_location).  */
    4268             : 
    4269             : inline bool
    4270 17827861400 : location_wrapper_p (const_tree exp)
    4271             : {
    4272             :   /* A wrapper node has code NON_LVALUE_EXPR or VIEW_CONVERT_EXPR, and
    4273             :      the flag EXPR_LOCATION_WRAPPER_P is set.
    4274             :      It normally has the same type as its operand, but it can have a
    4275             :      different one if the type of the operand has changed (e.g. when
    4276             :      merging duplicate decls).
    4277             : 
    4278             :      NON_LVALUE_EXPR is used for wrapping constants, apart from STRING_CST.
    4279             :      VIEW_CONVERT_EXPR is used for wrapping non-constants and STRING_CST.  */
    4280 17827861400 :   if ((TREE_CODE (exp) == NON_LVALUE_EXPR
    4281 17827861400 :        || TREE_CODE (exp) == VIEW_CONVERT_EXPR)
    4282 17827861400 :       && EXPR_LOCATION_WRAPPER_P (exp))
    4283  2156194938 :     return true;
    4284             :   return false;
    4285             : }
    4286             : 
    4287             : /* Implementation of STRIP_ANY_LOCATION_WRAPPER.  */
    4288             : 
    4289             : inline tree
    4290 13688413871 : tree_strip_any_location_wrapper (tree exp)
    4291             : {
    4292 13688413871 :   if (location_wrapper_p (exp))
    4293  1060777613 :     return TREE_OPERAND (exp, 0);
    4294             :   else
    4295             :     return exp;
    4296             : }
    4297             : 
    4298             : #define error_mark_node                 global_trees[TI_ERROR_MARK]
    4299             : 
    4300             : #define intQI_type_node                 global_trees[TI_INTQI_TYPE]
    4301             : #define intHI_type_node                 global_trees[TI_INTHI_TYPE]
    4302             : #define intSI_type_node                 global_trees[TI_INTSI_TYPE]
    4303             : #define intDI_type_node                 global_trees[TI_INTDI_TYPE]
    4304             : #define intTI_type_node                 global_trees[TI_INTTI_TYPE]
    4305             : 
    4306             : #define unsigned_intQI_type_node        global_trees[TI_UINTQI_TYPE]
    4307             : #define unsigned_intHI_type_node        global_trees[TI_UINTHI_TYPE]
    4308             : #define unsigned_intSI_type_node        global_trees[TI_UINTSI_TYPE]
    4309             : #define unsigned_intDI_type_node        global_trees[TI_UINTDI_TYPE]
    4310             : #define unsigned_intTI_type_node        global_trees[TI_UINTTI_TYPE]
    4311             : 
    4312             : #define atomicQI_type_node      global_trees[TI_ATOMICQI_TYPE]
    4313             : #define atomicHI_type_node      global_trees[TI_ATOMICHI_TYPE]
    4314             : #define atomicSI_type_node      global_trees[TI_ATOMICSI_TYPE]
    4315             : #define atomicDI_type_node      global_trees[TI_ATOMICDI_TYPE]
    4316             : #define atomicTI_type_node      global_trees[TI_ATOMICTI_TYPE]
    4317             : 
    4318             : #define uint16_type_node                global_trees[TI_UINT16_TYPE]
    4319             : #define uint32_type_node                global_trees[TI_UINT32_TYPE]
    4320             : #define uint64_type_node                global_trees[TI_UINT64_TYPE]
    4321             : #define uint128_type_node               global_trees[TI_UINT128_TYPE]
    4322             : 
    4323             : #define void_node                       global_trees[TI_VOID]
    4324             : 
    4325             : #define integer_zero_node               global_trees[TI_INTEGER_ZERO]
    4326             : #define integer_one_node                global_trees[TI_INTEGER_ONE]
    4327             : #define integer_three_node              global_trees[TI_INTEGER_THREE]
    4328             : #define integer_minus_one_node          global_trees[TI_INTEGER_MINUS_ONE]
    4329             : #define size_zero_node                  global_trees[TI_SIZE_ZERO]
    4330             : #define size_one_node                   global_trees[TI_SIZE_ONE]
    4331             : #define bitsize_zero_node               global_trees[TI_BITSIZE_ZERO]
    4332             : #define bitsize_one_node                global_trees[TI_BITSIZE_ONE]
    4333             : #define bitsize_unit_node               global_trees[TI_BITSIZE_UNIT]
    4334             : 
    4335             : /* Base access nodes.  */
    4336             : #define access_public_node              global_trees[TI_PUBLIC]
    4337             : #define access_protected_node           global_trees[TI_PROTECTED]
    4338             : #define access_private_node             global_trees[TI_PRIVATE]
    4339             : 
    4340             : #define null_pointer_node               global_trees[TI_NULL_POINTER]
    4341             : 
    4342             : #define float_type_node                 global_trees[TI_FLOAT_TYPE]
    4343             : #define double_type_node                global_trees[TI_DOUBLE_TYPE]
    4344             : #define long_double_type_node           global_trees[TI_LONG_DOUBLE_TYPE]
    4345             : #define bfloat16_type_node              global_trees[TI_BFLOAT16_TYPE]
    4346             : 
    4347             : /* Nodes for particular _FloatN and _FloatNx types in sequence.  */
    4348             : #define FLOATN_TYPE_NODE(IDX)           global_trees[TI_FLOATN_TYPE_FIRST + (IDX)]
    4349             : #define FLOATN_NX_TYPE_NODE(IDX)        global_trees[TI_FLOATN_NX_TYPE_FIRST + (IDX)]
    4350             : #define FLOATNX_TYPE_NODE(IDX)          global_trees[TI_FLOATNX_TYPE_FIRST + (IDX)]
    4351             : 
    4352             : /* Names for individual types (code should normally iterate over all
    4353             :    such types; these are only for back-end use, or in contexts such as
    4354             :    *.def where iteration is not possible).  */
    4355             : #define float16_type_node               global_trees[TI_FLOAT16_TYPE]
    4356             : #define float32_type_node               global_trees[TI_FLOAT32_TYPE]
    4357             : #define float64_type_node               global_trees[TI_FLOAT64_TYPE]
    4358             : #define float128_type_node              global_trees[TI_FLOAT128_TYPE]
    4359             : #define float32x_type_node              global_trees[TI_FLOAT32X_TYPE]
    4360             : #define float64x_type_node              global_trees[TI_FLOAT64X_TYPE]
    4361             : #define float128x_type_node             global_trees[TI_FLOAT128X_TYPE]
    4362             : 
    4363             : /* Type used by certain backends for __float128, which in C++ should be
    4364             :    distinct type from _Float128 for backwards compatibility reasons.  */
    4365             : #define float128t_type_node             global_trees[TI_FLOAT128T_TYPE]
    4366             : 
    4367             : #define float_ptr_type_node             global_trees[TI_FLOAT_PTR_TYPE]
    4368             : #define double_ptr_type_node            global_trees[TI_DOUBLE_PTR_TYPE]
    4369             : #define long_double_ptr_type_node       global_trees[TI_LONG_DOUBLE_PTR_TYPE]
    4370             : #define integer_ptr_type_node           global_trees[TI_INTEGER_PTR_TYPE]
    4371             : 
    4372             : #define complex_integer_type_node       global_trees[TI_COMPLEX_INTEGER_TYPE]
    4373             : #define complex_float_type_node         global_trees[TI_COMPLEX_FLOAT_TYPE]
    4374             : #define complex_double_type_node        global_trees[TI_COMPLEX_DOUBLE_TYPE]
    4375             : #define complex_long_double_type_node   global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
    4376             : 
    4377             : #define COMPLEX_FLOATN_NX_TYPE_NODE(IDX)        global_trees[TI_COMPLEX_FLOATN_NX_TYPE_FIRST + (IDX)]
    4378             : 
    4379             : #define void_type_node                  global_trees[TI_VOID_TYPE]
    4380             : /* The C type `void *'.  */
    4381             : #define ptr_type_node                   global_trees[TI_PTR_TYPE]
    4382             : /* The C type `const void *'.  */
    4383             : #define const_ptr_type_node             global_trees[TI_CONST_PTR_TYPE]
    4384             : /* The C type `size_t'.  */
    4385             : #define size_type_node                  global_trees[TI_SIZE_TYPE]
    4386             : #define pid_type_node                   global_trees[TI_PID_TYPE]
    4387             : #define ptrdiff_type_node               global_trees[TI_PTRDIFF_TYPE]
    4388             : #define va_list_type_node               global_trees[TI_VA_LIST_TYPE]
    4389             : #define va_list_gpr_counter_field       global_trees[TI_VA_LIST_GPR_COUNTER_FIELD]
    4390             : #define va_list_fpr_counter_field       global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
    4391             : /* The C type `FILE *'.  */
    4392             : #define fileptr_type_node               global_trees[TI_FILEPTR_TYPE]
    4393             : /* The C type `const struct tm *'.  */
    4394             : #define const_tm_ptr_type_node          global_trees[TI_CONST_TM_PTR_TYPE]
    4395             : /* The C type `fenv_t *'.  */
    4396             : #define fenv_t_ptr_type_node            global_trees[TI_FENV_T_PTR_TYPE]
    4397             : #define const_fenv_t_ptr_type_node      global_trees[TI_CONST_FENV_T_PTR_TYPE]
    4398             : /* The C type `fexcept_t *'.  */
    4399             : #define fexcept_t_ptr_type_node         global_trees[TI_FEXCEPT_T_PTR_TYPE]
    4400             : #define const_fexcept_t_ptr_type_node   global_trees[TI_CONST_FEXCEPT_T_PTR_TYPE]
    4401             : #define pointer_sized_int_node          global_trees[TI_POINTER_SIZED_TYPE]
    4402             : 
    4403             : #define boolean_type_node               global_trees[TI_BOOLEAN_TYPE]
    4404             : #define boolean_false_node              global_trees[TI_BOOLEAN_FALSE]
    4405             : #define boolean_true_node               global_trees[TI_BOOLEAN_TRUE]
    4406             : 
    4407             : /* The decimal floating point types. */
    4408             : #define dfloat32_type_node              global_trees[TI_DFLOAT32_TYPE]
    4409             : #define dfloat64_type_node              global_trees[TI_DFLOAT64_TYPE]
    4410             : #define dfloat128_type_node             global_trees[TI_DFLOAT128_TYPE]
    4411             : 
    4412             : /* The fixed-point types.  */
    4413             : #define sat_short_fract_type_node       global_trees[TI_SAT_SFRACT_TYPE]
    4414             : #define sat_fract_type_node             global_trees[TI_SAT_FRACT_TYPE]
    4415             : #define sat_long_fract_type_node        global_trees[TI_SAT_LFRACT_TYPE]
    4416             : #define sat_long_long_fract_type_node   global_trees[TI_SAT_LLFRACT_TYPE]
    4417             : #define sat_unsigned_short_fract_type_node \
    4418             :                                         global_trees[TI_SAT_USFRACT_TYPE]
    4419             : #define sat_unsigned_fract_type_node    global_trees[TI_SAT_UFRACT_TYPE]
    4420             : #define sat_unsigned_long_fract_type_node \
    4421             :                                         global_trees[TI_SAT_ULFRACT_TYPE]
    4422             : #define sat_unsigned_long_long_fract_type_node \
    4423             :                                         global_trees[TI_SAT_ULLFRACT_TYPE]
    4424             : #define short_fract_type_node           global_trees[TI_SFRACT_TYPE]
    4425             : #define fract_type_node                 global_trees[TI_FRACT_TYPE]
    4426             : #define long_fract_type_node            global_trees[TI_LFRACT_TYPE]
    4427             : #define long_long_fract_type_node       global_trees[TI_LLFRACT_TYPE]
    4428             : #define unsigned_short_fract_type_node  global_trees[TI_USFRACT_TYPE]
    4429             : #define unsigned_fract_type_node        global_trees[TI_UFRACT_TYPE]
    4430             : #define unsigned_long_fract_type_node   global_trees[TI_ULFRACT_TYPE]
    4431             : #define unsigned_long_long_fract_type_node \
    4432             :                                         global_trees[TI_ULLFRACT_TYPE]
    4433             : #define sat_short_accum_type_node       global_trees[TI_SAT_SACCUM_TYPE]
    4434             : #define sat_accum_type_node             global_trees[TI_SAT_ACCUM_TYPE]
    4435             : #define sat_long_accum_type_node        global_trees[TI_SAT_LACCUM_TYPE]
    4436             : #define sat_long_long_accum_type_node   global_trees[TI_SAT_LLACCUM_TYPE]
    4437             : #define sat_unsigned_short_accum_type_node \
    4438             :                                         global_trees[TI_SAT_USACCUM_TYPE]
    4439             : #define sat_unsigned_accum_type_node    global_trees[TI_SAT_UACCUM_TYPE]
    4440             : #define sat_unsigned_long_accum_type_node \
    4441             :                                         global_trees[TI_SAT_ULACCUM_TYPE]
    4442             : #define sat_unsigned_long_long_accum_type_node \
    4443             :                                         global_trees[TI_SAT_ULLACCUM_TYPE]
    4444             : #define short_accum_type_node           global_trees[TI_SACCUM_TYPE]
    4445             : #define accum_type_node                 global_trees[TI_ACCUM_TYPE]
    4446             : #define long_accum_type_node            global_trees[TI_LACCUM_TYPE]
    4447             : #define long_long_accum_type_node       global_trees[TI_LLACCUM_TYPE]
    4448             : #define unsigned_short_accum_type_node  global_trees[TI_USACCUM_TYPE]
    4449             : #define unsigned_accum_type_node        global_trees[TI_UACCUM_TYPE]
    4450             : #define unsigned_long_accum_type_node   global_trees[TI_ULACCUM_TYPE]
    4451             : #define unsigned_long_long_accum_type_node \
    4452             :                                         global_trees[TI_ULLACCUM_TYPE]
    4453             : #define qq_type_node                    global_trees[TI_QQ_TYPE]
    4454             : #define hq_type_node                    global_trees[TI_HQ_TYPE]
    4455             : #define sq_type_node                    global_trees[TI_SQ_TYPE]
    4456             : #define dq_type_node                    global_trees[TI_DQ_TYPE]
    4457             : #define tq_type_node                    global_trees[TI_TQ_TYPE]
    4458             : #define uqq_type_node                   global_trees[TI_UQQ_TYPE]
    4459             : #define uhq_type_node                   global_trees[TI_UHQ_TYPE]
    4460             : #define usq_type_node                   global_trees[TI_USQ_TYPE]
    4461             : #define udq_type_node                   global_trees[TI_UDQ_TYPE]
    4462             : #define utq_type_node                   global_trees[TI_UTQ_TYPE]
    4463             : #define sat_qq_type_node                global_trees[TI_SAT_QQ_TYPE]
    4464             : #define sat_hq_type_node                global_trees[TI_SAT_HQ_TYPE]
    4465             : #define sat_sq_type_node                global_trees[TI_SAT_SQ_TYPE]
    4466             : #define sat_dq_type_node                global_trees[TI_SAT_DQ_TYPE]
    4467             : #define sat_tq_type_node                global_trees[TI_SAT_TQ_TYPE]
    4468             : #define sat_uqq_type_node               global_trees[TI_SAT_UQQ_TYPE]
    4469             : #define sat_uhq_type_node               global_trees[TI_SAT_UHQ_TYPE]
    4470             : #define sat_usq_type_node               global_trees[TI_SAT_USQ_TYPE]
    4471             : #define sat_udq_type_node               global_trees[TI_SAT_UDQ_TYPE]
    4472             : #define sat_utq_type_node               global_trees[TI_SAT_UTQ_TYPE]
    4473             : #define ha_type_node                    global_trees[TI_HA_TYPE]
    4474             : #define sa_type_node                    global_trees[TI_SA_TYPE]
    4475             : #define da_type_node                    global_trees[TI_DA_TYPE]
    4476             : #define ta_type_node                    global_trees[TI_TA_TYPE]
    4477             : #define uha_type_node                   global_trees[TI_UHA_TYPE]
    4478             : #define usa_type_node                   global_trees[TI_USA_TYPE]
    4479             : #define uda_type_node                   global_trees[TI_UDA_TYPE]
    4480             : #define uta_type_node                   global_trees[TI_UTA_TYPE]
    4481             : #define sat_ha_type_node                global_trees[TI_SAT_HA_TYPE]
    4482             : #define sat_sa_type_node                global_trees[TI_SAT_SA_TYPE]
    4483             : #define sat_da_type_node                global_trees[TI_SAT_DA_TYPE]
    4484             : #define sat_ta_type_node                global_trees[TI_SAT_TA_TYPE]
    4485             : #define sat_uha_type_node               global_trees[TI_SAT_UHA_TYPE]
    4486             : #define sat_usa_type_node               global_trees[TI_SAT_USA_TYPE]
    4487             : #define sat_uda_type_node               global_trees[TI_SAT_UDA_TYPE]
    4488             : #define sat_uta_type_node               global_trees[TI_SAT_UTA_TYPE]
    4489             : 
    4490             : /* The node that should be placed at the end of a parameter list to
    4491             :    indicate that the function does not take a variable number of
    4492             :    arguments.  The TREE_VALUE will be void_type_node and there will be
    4493             :    no TREE_CHAIN.  Language-independent code should not assume
    4494             :    anything else about this node.  */
    4495             : #define void_list_node                  global_trees[TI_VOID_LIST_NODE]
    4496             : 
    4497             : #define main_identifier_node            global_trees[TI_MAIN_IDENTIFIER]
    4498             : #define MAIN_NAME_P(NODE) \
    4499             :   (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
    4500             : 
    4501             : /* Optimization options (OPTIMIZATION_NODE) to use for default and current
    4502             :    functions.  */
    4503             : #define optimization_default_node       global_trees[TI_OPTIMIZATION_DEFAULT]
    4504             : #define optimization_current_node       global_trees[TI_OPTIMIZATION_CURRENT]
    4505             : 
    4506             : /* Default/current target options (TARGET_OPTION_NODE).  */
    4507             : #define target_option_default_node      global_trees[TI_TARGET_OPTION_DEFAULT]
    4508             : #define target_option_current_node      global_trees[TI_TARGET_OPTION_CURRENT]
    4509             : 
    4510             : /* Default tree list option(), optimize() pragmas to be linked into the
    4511             :    attribute list.  */
    4512             : #define current_target_pragma           global_trees[TI_CURRENT_TARGET_PRAGMA]
    4513             : #define current_optimize_pragma         global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
    4514             : 
    4515             : /* SCEV analyzer global shared trees.  */
    4516             : #define chrec_not_analyzed_yet          NULL_TREE
    4517             : #define chrec_dont_know                 global_trees[TI_CHREC_DONT_KNOW]
    4518             : #define chrec_known                     global_trees[TI_CHREC_KNOWN]
    4519             : 
    4520             : #define char_type_node                  integer_types[itk_char]
    4521             : #define signed_char_type_node           integer_types[itk_signed_char]
    4522             : #define unsigned_char_type_node         integer_types[itk_unsigned_char]
    4523             : #define short_integer_type_node         integer_types[itk_short]
    4524             : #define short_unsigned_type_node        integer_types[itk_unsigned_short]
    4525             : #define integer_type_node               integer_types[itk_int]
    4526             : #define unsigned_type_node              integer_types[itk_unsigned_int]
    4527             : #define long_integer_type_node          integer_types[itk_long]
    4528             : #define long_unsigned_type_node         integer_types[itk_unsigned_long]
    4529             : #define long_long_integer_type_node     integer_types[itk_long_long]
    4530             : #define long_long_unsigned_type_node    integer_types[itk_unsigned_long_long]
    4531             : 
    4532             : /* True if T is an erroneous expression.  */
    4533             : 
    4534             : inline bool
    4535  9632392883 : error_operand_p (const_tree t)
    4536             : {
    4537  9632392883 :   return (t == error_mark_node
    4538  9632392883 :           || (t && TREE_TYPE (t) == error_mark_node));
    4539             : }
    4540             : 
    4541             : /* Return the number of elements encoded directly in a VECTOR_CST.  */
    4542             : 
    4543             : inline unsigned int
    4544      208098 : vector_cst_encoded_nelts (const_tree t)
    4545             : {
    4546      208098 :   return VECTOR_CST_NPATTERNS (t) * VECTOR_CST_NELTS_PER_PATTERN (t);
    4547             : }
    4548             : 
    4549             : extern tree decl_assembler_name (tree);
    4550             : extern void overwrite_decl_assembler_name (tree decl, tree name);
    4551             : extern tree decl_comdat_group (const_tree);
    4552             : extern tree decl_comdat_group_id (const_tree);
    4553             : extern const char *decl_section_name (const_tree);
    4554             : extern void set_decl_section_name (tree, const char *);
    4555             : extern void set_decl_section_name (tree, const_tree);
    4556             : extern enum tls_model decl_tls_model (const_tree);
    4557             : extern void set_decl_tls_model (tree, enum tls_model);
    4558             : 
    4559             : /* Compute the number of bytes occupied by 'node'.  This routine only
    4560             :    looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH.  */
    4561             : 
    4562             : extern size_t tree_size (const_tree);
    4563             : 
    4564             : /* Compute the number of bytes occupied by a tree with code CODE.
    4565             :    This function cannot be used for TREE_VEC or INTEGER_CST nodes,
    4566             :    which are of variable length.  */
    4567             : extern size_t tree_code_size (enum tree_code);
    4568             : 
    4569             : /* Allocate and return a new UID from the DECL_UID namespace.  */
    4570             : extern int allocate_decl_uid (void);
    4571             : 
    4572             : /* Lowest level primitive for allocating a node.
    4573             :    The TREE_CODE is the only argument.  Contents are initialized
    4574             :    to zero except for a few of the common fields.  */
    4575             : 
    4576             : extern tree make_node (enum tree_code CXX_MEM_STAT_INFO);
    4577             : 
    4578             : /* Free tree node.  */
    4579             : 
    4580             : extern void free_node (tree);
    4581             : 
    4582             : /* Make a copy of a node, with all the same contents.  */
    4583             : 
    4584             : extern tree copy_node (tree CXX_MEM_STAT_INFO);
    4585             : 
    4586             : /* Make a copy of a chain of TREE_LIST nodes.  */
    4587             : 
    4588             : extern tree copy_list (tree);
    4589             : 
    4590             : /* Make a CASE_LABEL_EXPR.  */
    4591             : 
    4592             : extern tree build_case_label (tree, tree, tree);
    4593             : 
    4594             : /* Make a BINFO.  */
    4595             : extern tree make_tree_binfo (unsigned CXX_MEM_STAT_INFO);
    4596             : 
    4597             : /* Make an INTEGER_CST.  */
    4598             : 
    4599             : extern tree make_int_cst (int, int CXX_MEM_STAT_INFO);
    4600             : 
    4601             : /* Make a TREE_VEC.  */
    4602             : 
    4603             : extern tree make_tree_vec (int CXX_MEM_STAT_INFO);
    4604             : 
    4605             : /* Grow a TREE_VEC.  */
    4606             : 
    4607             : extern tree grow_tree_vec (tree v, int CXX_MEM_STAT_INFO);
    4608             : 
    4609             : /* Treat a TREE_VEC as a range of trees, e.g.
    4610             :    for (tree e : tree_vec_range (v)) { ... }  */
    4611             : 
    4612             : class tree_vec_range
    4613             : {
    4614             :   tree v;
    4615             : public:
    4616  9696797442 :   tree_vec_range(tree v) : v(v) { }
    4617  9696797442 :   tree *begin() { return TREE_VEC_BEGIN (v); }
    4618  9696797442 :   tree *end() { return TREE_VEC_END (v); }
    4619             : };
    4620             : 
    4621             : /* Construct various types of nodes.  */
    4622             : 
    4623             : extern tree build_nt (enum tree_code, ...);
    4624             : extern tree build_nt_call_vec (tree, vec<tree, va_gc> *);
    4625             : 
    4626             : extern tree build0 (enum tree_code, tree CXX_MEM_STAT_INFO);
    4627             : extern tree build1 (enum tree_code, tree, tree CXX_MEM_STAT_INFO);
    4628             : extern tree build2 (enum tree_code, tree, tree, tree CXX_MEM_STAT_INFO);
    4629             : extern tree build3 (enum tree_code, tree, tree, tree, tree CXX_MEM_STAT_INFO);
    4630             : extern tree build4 (enum tree_code, tree, tree, tree, tree,
    4631             :                     tree CXX_MEM_STAT_INFO);
    4632             : extern tree build5 (enum tree_code, tree, tree, tree, tree, tree,
    4633             :                     tree CXX_MEM_STAT_INFO);
    4634             : 
    4635             : /* _loc versions of build[1-5].  */
    4636             : 
    4637             : inline tree
    4638   432331079 : build1_loc (location_t loc, enum tree_code code, tree type,
    4639             :             tree arg1 CXX_MEM_STAT_INFO)
    4640             : {
    4641   432331079 :   tree t = build1 (code, type, arg1 PASS_MEM_STAT);
    4642   432331079 :   if (CAN_HAVE_LOCATION_P (t))
    4643   432331079 :     SET_EXPR_LOCATION (t, loc);
    4644   432331079 :   return t;
    4645             : }
    4646             : 
    4647             : inline tree
    4648   106822148 : build2_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4649             :             tree arg1 CXX_MEM_STAT_INFO)
    4650             : {
    4651   106822148 :   tree t = build2 (code, type, arg0, arg1 PASS_MEM_STAT);
    4652   106822148 :   if (CAN_HAVE_LOCATION_P (t))
    4653   106822148 :     SET_EXPR_LOCATION (t, loc);
    4654   106822148 :   return t;
    4655             : }
    4656             : 
    4657             : inline tree
    4658    62414568 : build3_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4659             :             tree arg1, tree arg2 CXX_MEM_STAT_INFO)
    4660             : {
    4661    62414568 :   tree t = build3 (code, type, arg0, arg1, arg2 PASS_MEM_STAT);
    4662    62414568 :   if (CAN_HAVE_LOCATION_P (t))
    4663    62414568 :     SET_EXPR_LOCATION (t, loc);
    4664    62414568 :   return t;
    4665             : }
    4666             : 
    4667             : inline tree
    4668     1892935 : build4_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4669             :             tree arg1, tree arg2, tree arg3 CXX_MEM_STAT_INFO)
    4670             : {
    4671     1892935 :   tree t = build4 (code, type, arg0, arg1, arg2, arg3 PASS_MEM_STAT);
    4672     1892935 :   if (CAN_HAVE_LOCATION_P (t))
    4673     1892935 :     SET_EXPR_LOCATION (t, loc);
    4674     1892935 :   return t;
    4675             : }
    4676             : 
    4677             : inline tree
    4678        3306 : build5_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4679             :             tree arg1, tree arg2, tree arg3, tree arg4 CXX_MEM_STAT_INFO)
    4680             : {
    4681        3306 :   tree t = build5 (code, type, arg0, arg1, arg2, arg3,
    4682             :                         arg4 PASS_MEM_STAT);
    4683        3306 :   if (CAN_HAVE_LOCATION_P (t))
    4684        3306 :     SET_EXPR_LOCATION (t, loc);
    4685        3306 :   return t;
    4686             : }
    4687             : 
    4688             : /* Constructs double_int from tree CST.  */
    4689             : 
    4690             : extern tree double_int_to_tree (tree, double_int);
    4691             : 
    4692             : extern tree wide_int_to_tree (tree type, const poly_wide_int_ref &cst);
    4693             : extern tree force_fit_type (tree, const poly_wide_int_ref &, int, bool);
    4694             : 
    4695             : /* Create an INT_CST node with a CST value zero extended.  */
    4696             : 
    4697             : /* static inline */
    4698             : extern tree build_int_cst (tree, poly_int64);
    4699             : extern tree build_int_cstu (tree type, poly_uint64);
    4700             : extern tree build_int_cst_type (tree, poly_int64);
    4701             : extern tree make_vector (unsigned, unsigned CXX_MEM_STAT_INFO);
    4702             : extern tree build_vector_from_ctor (tree, const vec<constructor_elt, va_gc> *);
    4703             : extern tree build_vector_from_val (tree, tree);
    4704             : extern tree build_uniform_cst (tree, tree);
    4705             : extern tree build_vec_series (tree, tree, tree);
    4706             : extern tree build_index_vector (tree, poly_uint64, poly_uint64);
    4707             : extern tree build_vector_a_then_b (tree, unsigned int, tree, tree);
    4708             : extern void recompute_constructor_flags (tree);
    4709             : extern void verify_constructor_flags (tree);
    4710             : extern tree build_constructor (tree, vec<constructor_elt, va_gc> * CXX_MEM_STAT_INFO);
    4711             : extern tree build_constructor_single (tree, tree, tree);
    4712             : extern tree build_constructor_from_list (tree, tree);
    4713             : extern tree build_constructor_from_vec (tree, const vec<tree, va_gc> *);
    4714             : extern tree build_constructor_va (tree, int, ...);
    4715             : extern tree build_clobber (tree, enum clobber_kind = CLOBBER_UNDEF);
    4716             : extern tree build_real_from_int_cst (tree, const_tree);
    4717             : extern tree build_real_from_wide (tree, const wide_int_ref &, signop);
    4718             : extern tree build_complex (tree, tree, tree);
    4719             : extern tree build_complex_inf (tree, bool);
    4720             : extern tree build_each_one_cst (tree);
    4721             : extern tree build_one_cst (tree);
    4722             : extern tree build_minus_one_cst (tree);
    4723             : extern tree build_all_ones_cst (tree);
    4724             : extern tree build_zero_cst (tree);
    4725             : extern tree build_replicated_int_cst (tree, unsigned, HOST_WIDE_INT);
    4726             : extern tree sign_mask_for (tree);
    4727             : extern tree build_string (unsigned, const char * = NULL);
    4728             : extern tree build_poly_int_cst (tree, const poly_wide_int_ref &);
    4729             : extern tree build_tree_list (tree, tree CXX_MEM_STAT_INFO);
    4730             : extern tree build_tree_list_vec (const vec<tree, va_gc> * CXX_MEM_STAT_INFO);
    4731             : extern tree build_decl (location_t, enum tree_code,
    4732             :                         tree, tree CXX_MEM_STAT_INFO);
    4733             : extern tree build_debug_expr_decl (tree type);
    4734             : extern tree build_fn_decl (const char *, tree);
    4735             : extern tree build_translation_unit_decl (tree);
    4736             : extern tree build_block (tree, tree, tree, tree);
    4737             : extern tree build_empty_stmt (location_t);
    4738             : extern tree build_omp_clause (location_t, enum omp_clause_code);
    4739             : 
    4740             : extern tree build_vl_exp (enum tree_code, int CXX_MEM_STAT_INFO);
    4741             : 
    4742             : extern tree build_call_nary (tree, tree, int, ...);
    4743             : extern tree build_call_valist (tree, tree, int, va_list);
    4744             : #define build_call_array(T1,T2,N,T3)\
    4745             :    build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T3)
    4746             : extern tree build_call_array_loc (location_t, tree, tree, int, const tree *);
    4747             : extern tree build_call_vec (tree, tree, const vec<tree, va_gc> *);
    4748             : extern tree build_call_expr_loc_array (location_t, tree, int, tree *);
    4749             : extern tree build_call_expr_loc_vec (location_t, tree, vec<tree, va_gc> *);
    4750             : extern tree build_call_expr_loc (location_t, tree, int, ...);
    4751             : extern tree build_call_expr (tree, int, ...);
    4752             : extern tree build_call_expr_internal_loc (location_t, enum internal_fn,
    4753             :                                           tree, int, ...);
    4754             : extern tree build_call_expr_internal_loc_array (location_t, enum internal_fn,
    4755             :                                                 tree, int, const tree *);
    4756             : extern tree maybe_build_call_expr_loc (location_t, combined_fn, tree,
    4757             :                                        int, ...);
    4758             : extern tree build_alloca_call_expr (tree, unsigned int, HOST_WIDE_INT);
    4759             : extern tree build_string_literal (unsigned, const char * = NULL,
    4760             :                                   tree = char_type_node,
    4761             :                                   unsigned HOST_WIDE_INT = HOST_WIDE_INT_M1U);
    4762        2878 : inline tree build_string_literal (const char *p)
    4763        2878 : { return build_string_literal (strlen (p) + 1, p); }
    4764           8 : inline tree build_string_literal (tree t)
    4765             : {
    4766           8 :   return build_string_literal (IDENTIFIER_LENGTH (t) + 1,
    4767           8 :                                IDENTIFIER_POINTER (t));
    4768             : }
    4769             : 
    4770             : /* Construct various nodes representing data types.  */
    4771             : 
    4772             : extern tree signed_or_unsigned_type_for (int, tree);
    4773             : extern tree signed_type_for (tree);
    4774             : extern tree unsigned_type_for (tree);
    4775             : extern bool is_truth_type_for (tree, tree);
    4776             : extern bool tree_zero_one_valued_p (tree);
    4777             : extern tree truth_type_for (tree);
    4778             : extern tree build_pointer_type_for_mode (tree, machine_mode, bool);
    4779             : extern tree build_pointer_type (tree);
    4780             : extern tree build_reference_type_for_mode (tree, machine_mode, bool);
    4781             : extern tree build_reference_type (tree);
    4782             : extern tree build_vector_type_for_mode (tree, machine_mode);
    4783             : extern tree build_vector_type (tree, poly_int64);
    4784             : extern tree build_truth_vector_type_for_mode (poly_uint64, machine_mode);
    4785             : extern tree build_opaque_vector_type (tree, poly_int64);
    4786             : extern tree build_index_type (tree);
    4787             : extern tree build_array_type_1 (tree, tree, bool, bool, bool);
    4788             : extern tree build_array_type (tree, tree, bool = false);
    4789             : extern tree build_nonshared_array_type (tree, tree);
    4790             : extern tree build_array_type_nelts (tree, poly_uint64);
    4791             : extern tree build_function_type (tree, tree, bool = false);
    4792             : extern tree build_function_type_list (tree, ...);
    4793             : extern tree build_varargs_function_type_list (tree, ...);
    4794             : extern tree build_function_type_array (tree, int, tree *);
    4795             : extern tree build_varargs_function_type_array (tree, int, tree *);
    4796             : #define build_function_type_vec(RET, V) \
    4797             :   build_function_type_array (RET, vec_safe_length (V), vec_safe_address (V))
    4798             : #define build_varargs_function_type_vec(RET, V) \
    4799             :   build_varargs_function_type_array (RET, vec_safe_length (V), \
    4800             :                                      vec_safe_address (V))
    4801             : extern tree build_method_type_directly (tree, tree, tree);
    4802             : extern tree build_method_type (tree, tree);
    4803             : extern tree build_offset_type (tree, tree);
    4804             : extern tree build_complex_type (tree, bool named = false);
    4805             : extern tree array_type_nelts (const_tree);
    4806             : 
    4807             : extern tree value_member (tree, tree);
    4808             : extern tree purpose_member (const_tree, tree);
    4809             : extern bool vec_member (const_tree, vec<tree, va_gc> *);
    4810             : extern tree chain_index (int, tree);
    4811             : 
    4812             : /* Arguments may be null.  */
    4813             : extern bool tree_int_cst_equal (const_tree, const_tree);
    4814             : 
    4815             : /* The following predicates are safe to call with a null argument.  */
    4816             : extern bool tree_fits_shwi_p (const_tree) ATTRIBUTE_PURE;
    4817             : extern bool tree_fits_poly_int64_p (const_tree) ATTRIBUTE_PURE;
    4818             : extern bool tree_fits_uhwi_p (const_tree) ATTRIBUTE_PURE;
    4819             : extern bool tree_fits_poly_uint64_p (const_tree) ATTRIBUTE_PURE;
    4820             : 
    4821             : extern HOST_WIDE_INT tree_to_shwi (const_tree)
    4822             :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    4823             : extern poly_int64 tree_to_poly_int64 (const_tree)
    4824             :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    4825             : extern unsigned HOST_WIDE_INT tree_to_uhwi (const_tree)
    4826             :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    4827             : extern poly_uint64 tree_to_poly_uint64 (const_tree)
    4828             :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    4829             : #if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003)
    4830             : extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT
    4831             : tree_to_shwi (const_tree t)
    4832             : {
    4833             :   gcc_assert (tree_fits_shwi_p (t));
    4834             :   return TREE_INT_CST_LOW (t);
    4835             : }
    4836             : 
    4837             : extern inline __attribute__ ((__gnu_inline__)) unsigned HOST_WIDE_INT
    4838             : tree_to_uhwi (const_tree t)
    4839             : {
    4840             :   gcc_assert (tree_fits_uhwi_p (t));
    4841             :   return TREE_INT_CST_LOW (t);
    4842             : }
    4843             : #if NUM_POLY_INT_COEFFS == 1
    4844             : extern inline __attribute__ ((__gnu_inline__)) poly_int64
    4845             : tree_to_poly_int64 (const_tree t)
    4846             : {
    4847             :   gcc_assert (tree_fits_poly_int64_p (t));
    4848             :   return TREE_INT_CST_LOW (t);
    4849             : }
    4850             : 
    4851             : extern inline __attribute__ ((__gnu_inline__)) poly_uint64
    4852             : tree_to_poly_uint64 (const_tree t)
    4853             : {
    4854             :   gcc_assert (tree_fits_poly_uint64_p (t));
    4855             :   return TREE_INT_CST_LOW (t);
    4856             : }
    4857             : #endif
    4858             : #endif
    4859             : extern int tree_int_cst_sgn (const_tree);
    4860             : extern int tree_int_cst_sign_bit (const_tree);
    4861             : extern unsigned int tree_int_cst_min_precision (tree, signop);
    4862             : extern tree excess_precision_type (tree);
    4863             : 
    4864             : /* Recursively examines the array elements of TYPE, until a non-array
    4865             :    element type is found.  */
    4866             : 
    4867             : inline tree
    4868 28634482268 : strip_array_types (tree type)
    4869             : {
    4870 28672806824 :   while (TREE_CODE (type) == ARRAY_TYPE)
    4871    38324556 :     type = TREE_TYPE (type);
    4872             : 
    4873 28634482268 :   return type;
    4874             : }
    4875             : 
    4876             : /* Desription of the reason why the argument of valid_constant_size_p
    4877             :    is not a valid size.  */
    4878             : enum cst_size_error {
    4879             :   cst_size_ok,
    4880             :   cst_size_not_constant,
    4881             :   cst_size_negative,
    4882             :   cst_size_too_big,
    4883             :   cst_size_overflow
    4884             : };
    4885             : 
    4886             : extern bool valid_constant_size_p (const_tree, cst_size_error * = NULL);
    4887             : extern tree max_object_size ();
    4888             : 
    4889             : /* Return true if T holds a value that can be represented as a poly_int64
    4890             :    without loss of precision.  Store the value in *VALUE if so.  */
    4891             : 
    4892             : inline bool
    4893             : poly_int_tree_p (const_tree t, poly_int64_pod *value)
    4894             : {
    4895             :   if (tree_fits_poly_int64_p (t))
    4896             :     {
    4897             :       *value = tree_to_poly_int64 (t);
    4898             :       return true;
    4899             :     }
    4900             :   return false;
    4901             : }
    4902             : 
    4903             : /* Return true if T holds a value that can be represented as a poly_uint64
    4904             :    without loss of precision.  Store the value in *VALUE if so.  */
    4905             : 
    4906             : inline bool
    4907           2 : poly_int_tree_p (const_tree t, poly_uint64_pod *value)
    4908             : {
    4909           2 :   if (tree_fits_poly_uint64_p (t))
    4910             :     {
    4911           1 :       *value = tree_to_poly_uint64 (t);
    4912           1 :       return true;
    4913             :     }
    4914             :   return false;
    4915             : }
    4916             : 
    4917             : /* From expmed.cc.  Since rtl.h is included after tree.h, we can't
    4918             :    put the prototype here.  Rtl.h does declare the prototype if
    4919             :    tree.h had been included.  */
    4920             : 
    4921             : extern tree make_tree (tree, rtx);
    4922             : 
    4923             : /* Returns true iff CAND and BASE have equivalent language-specific
    4924             :    qualifiers.  */
    4925             : 
    4926             : extern bool check_lang_type (const_tree cand, const_tree base);
    4927             : 
    4928             : /* Returns true iff unqualified CAND and BASE are equivalent.  */
    4929             : 
    4930             : extern bool check_base_type (const_tree cand, const_tree base);
    4931             : 
    4932             : /* Check whether CAND is suitable to be returned from get_qualified_type
    4933             :    (BASE, TYPE_QUALS).  */
    4934             : 
    4935             : extern bool check_qualified_type (const_tree, const_tree, int);
    4936             : 
    4937             : /* Return a version of the TYPE, qualified as indicated by the
    4938             :    TYPE_QUALS, if one exists.  If no qualified version exists yet,
    4939             :    return NULL_TREE.  */
    4940             : 
    4941             : extern tree get_qualified_type (tree, int);
    4942             : 
    4943             : /* Like get_qualified_type, but creates the type if it does not
    4944             :    exist.  This function never returns NULL_TREE.  */
    4945             : 
    4946             : extern tree build_qualified_type (tree, int CXX_MEM_STAT_INFO);
    4947             : 
    4948             : /* Create a variant of type T with alignment ALIGN.  */
    4949             : 
    4950             : extern tree build_aligned_type (tree, unsigned int);
    4951             : 
    4952             : /* Like build_qualified_type, but only deals with the `const' and
    4953             :    `volatile' qualifiers.  This interface is retained for backwards
    4954             :    compatibility with the various front-ends; new code should use
    4955             :    build_qualified_type instead.  */
    4956             : 
    4957             : #define build_type_variant(TYPE, CONST_P, VOLATILE_P)                   \
    4958             :   build_qualified_type ((TYPE),                                         \
    4959             :                         ((CONST_P) ? TYPE_QUAL_CONST : 0)               \
    4960             :                         | ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
    4961             : 
    4962             : /* Make a copy of a type node.  */
    4963             : 
    4964             : extern tree build_distinct_type_copy (tree CXX_MEM_STAT_INFO);
    4965             : extern tree build_variant_type_copy (tree CXX_MEM_STAT_INFO);
    4966             : 
    4967             : /* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
    4968             :    return a canonicalized ..._TYPE node, so that duplicates are not made.
    4969             :    How the hash code is computed is up to the caller, as long as any two
    4970             :    callers that could hash identical-looking type nodes agree.  */
    4971             : 
    4972             : extern hashval_t type_hash_canon_hash (tree);
    4973             : extern tree type_hash_canon (unsigned int, tree);
    4974             : 
    4975             : extern tree convert (tree, tree);
    4976             : extern tree size_in_bytes_loc (location_t, const_tree);
    4977             : inline tree
    4978      305138 : size_in_bytes (const_tree t)
    4979             : {
    4980      305138 :   return size_in_bytes_loc (input_location, t);
    4981             : }
    4982             : 
    4983             : extern HOST_WIDE_INT int_size_in_bytes (const_tree);
    4984             : extern HOST_WIDE_INT max_int_size_in_bytes (const_tree);
    4985             : extern tree bit_position (const_tree);
    4986             : extern tree byte_position (const_tree);
    4987             : extern HOST_WIDE_INT int_byte_position (const_tree);
    4988             : 
    4989             : /* Type for sizes of data-type.  */
    4990             : 
    4991             : #define sizetype sizetype_tab[(int) stk_sizetype]
    4992             : #define bitsizetype sizetype_tab[(int) stk_bitsizetype]
    4993             : #define ssizetype sizetype_tab[(int) stk_ssizetype]
    4994             : #define sbitsizetype sizetype_tab[(int) stk_sbitsizetype]
    4995             : #define size_int(L) size_int_kind (L, stk_sizetype)
    4996             : #define ssize_int(L) size_int_kind (L, stk_ssizetype)
    4997             : #define bitsize_int(L) size_int_kind (L, stk_bitsizetype)
    4998             : #define sbitsize_int(L) size_int_kind (L, stk_sbitsizetype)
    4999             : 
    5000             : /* Log2 of BITS_PER_UNIT.  */
    5001             : 
    5002             : #if BITS_PER_UNIT == 8
    5003             : #define LOG2_BITS_PER_UNIT 3
    5004             : #elif BITS_PER_UNIT == 16
    5005             : #define LOG2_BITS_PER_UNIT 4
    5006             : #else
    5007             : #error Unknown BITS_PER_UNIT
    5008             : #endif
    5009             : 
    5010             : /* Concatenate two lists (chains of TREE_LIST nodes) X and Y
    5011             :    by making the last node in X point to Y.
    5012             :    Returns X, except if X is 0 returns Y.  */
    5013             : 
    5014             : extern tree chainon (tree, tree);
    5015             : 
    5016             : /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN.  */
    5017             : 
    5018             : extern tree tree_cons (tree, tree, tree CXX_MEM_STAT_INFO);
    5019             : 
    5020             : /* Return the last tree node in a chain.  */
    5021             : 
    5022             : extern tree tree_last (tree);
    5023             : 
    5024             : /* Reverse the order of elements in a chain, and return the new head.  */
    5025             : 
    5026             : extern tree nreverse (tree);
    5027             : 
    5028             : /* Returns the length of a chain of nodes
    5029             :    (number of chain pointers to follow before reaching a null pointer).  */
    5030             : 
    5031             : extern int list_length (const_tree);
    5032             : 
    5033             : /* Returns the first/last FIELD_DECL in a RECORD_TYPE.  */
    5034             : 
    5035             : extern tree first_field (const_tree) ATTRIBUTE_NONNULL (1);
    5036             : extern tree last_field (const_tree) ATTRIBUTE_NONNULL (1);
    5037             : 
    5038             : /* Given an initializer INIT, return TRUE if INIT is zero or some
    5039             :    aggregate of zeros.  Otherwise return FALSE.  If NONZERO is not
    5040             :    null, set *NONZERO if and only if INIT is known not to be all
    5041             :    zeros.  The combination of return value of false and *NONZERO
    5042             :    false implies that INIT may but need not be all zeros.  Other
    5043             :    combinations indicate definitive answers.  */
    5044             : 
    5045             : extern bool initializer_zerop (const_tree, bool * = NULL);
    5046             : extern bool initializer_each_zero_or_onep (const_tree);
    5047             : 
    5048             : extern tree vector_cst_elt (const_tree, unsigned int);
    5049             : 
    5050             : /* Given a vector VEC, return its first element if all elements are
    5051             :    the same.  Otherwise return NULL_TREE.  */
    5052             : 
    5053             : extern tree uniform_vector_p (const_tree);
    5054             : 
    5055             : /* If the argument is INTEGER_CST, return it.  If the argument is vector
    5056             :    with all elements the same INTEGER_CST, return that INTEGER_CST.  Otherwise
    5057             :    return NULL_TREE.  */
    5058             : 
    5059             : extern tree uniform_integer_cst_p (tree);
    5060             : 
    5061             : extern int single_nonzero_element (const_tree);
    5062             : 
    5063             : /* Given a CONSTRUCTOR CTOR, return the element values as a vector.  */
    5064             : 
    5065             : extern vec<tree, va_gc> *ctor_to_vec (tree);
    5066             : 
    5067             : /* zerop (tree x) is nonzero if X is a constant of value 0.  */
    5068             : 
    5069             : extern bool zerop (const_tree);
    5070             : 
    5071             : /* integer_zerop (tree x) is nonzero if X is an integer constant of value 0.  */
    5072             : 
    5073             : extern bool integer_zerop (const_tree);
    5074             : 
    5075             : /* integer_onep (tree x) is nonzero if X is an integer constant of value 1.  */
    5076             : 
    5077             : extern bool integer_onep (const_tree);
    5078             : 
    5079             : /* integer_onep (tree x) is nonzero if X is an integer constant of value 1, or
    5080             :    a vector or complex where each part is 1.  */
    5081             : 
    5082             : extern bool integer_each_onep (const_tree);
    5083             : 
    5084             : /* integer_all_onesp (tree x) is nonzero if X is an integer constant
    5085             :    all of whose significant bits are 1.  */
    5086             : 
    5087             : extern bool integer_all_onesp (const_tree);
    5088             : 
    5089             : /* integer_minus_onep (tree x) is nonzero if X is an integer constant of
    5090             :    value -1.  */
    5091             : 
    5092             : extern bool integer_minus_onep (const_tree);
    5093             : 
    5094             : /* integer_pow2p (tree x) is nonzero is X is an integer constant with
    5095             :    exactly one bit 1.  */
    5096             : 
    5097             : extern bool integer_pow2p (const_tree);
    5098             : 
    5099             : /* Checks to see if T is a constant or a constant vector and if each element E
    5100             :    adheres to ~E + 1 == pow2 then return ~E otherwise NULL_TREE.  */
    5101             : 
    5102             : extern tree bitmask_inv_cst_vector_p (tree);
    5103             : 
    5104             : /* integer_nonzerop (tree x) is nonzero if X is an integer constant
    5105             :    with a nonzero value.  */
    5106             : 
    5107             : extern bool integer_nonzerop (const_tree);
    5108             : 
    5109             : /* integer_truep (tree x) is nonzero if X is an integer constant of value 1 or
    5110             :    a vector where each element is an integer constant of value -1.  */
    5111             : 
    5112             : extern bool integer_truep (const_tree);
    5113             : 
    5114             : extern bool cst_and_fits_in_hwi (const_tree);
    5115             : extern tree num_ending_zeros (const_tree);
    5116             : 
    5117             : /* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
    5118             :    value 0.  */
    5119             : 
    5120             : extern bool fixed_zerop (const_tree);
    5121             : 
    5122             : /* staticp (tree x) is nonzero if X is a reference to data allocated
    5123             :    at a fixed address in memory.  Returns the outermost data.  */
    5124             : 
    5125             : extern tree staticp (tree);
    5126             : 
    5127             : /* save_expr (EXP) returns an expression equivalent to EXP
    5128             :    but it can be used multiple times within context CTX
    5129             :    and only evaluate EXP once.  */
    5130             : 
    5131             : extern tree save_expr (tree);
    5132             : 
    5133             : /* Return true if T is function-invariant.  */
    5134             : 
    5135             : extern bool tree_invariant_p (tree);
    5136             : 
    5137             : /* Look inside EXPR into any simple arithmetic operations.  Return the
    5138             :    outermost non-arithmetic or non-invariant node.  */
    5139             : 
    5140             : extern tree skip_simple_arithmetic (tree);
    5141             : 
    5142             : /* Look inside EXPR into simple arithmetic operations involving constants.
    5143             :    Return the outermost non-arithmetic or non-constant node.  */
    5144             : 
    5145             : extern tree skip_simple_constant_arithmetic (tree);
    5146             : 
    5147             : /* Return which tree structure is used by T.  */
    5148             : 
    5149             : enum tree_node_structure_enum tree_node_structure (const_tree);
    5150             : 
    5151             : /* Return true if EXP contains a PLACEHOLDER_EXPR, i.e. if it represents a
    5152             :    size or offset that depends on a field within a record.  */
    5153             : 
    5154             : extern bool contains_placeholder_p (const_tree);
    5155             : 
    5156             : /* This macro calls the above function but short-circuits the common
    5157             :    case of a constant to save time.  Also check for null.  */
    5158             : 
    5159             : #define CONTAINS_PLACEHOLDER_P(EXP) \
    5160             :   ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
    5161             : 
    5162             : /* Return true if any part of the structure of TYPE involves a PLACEHOLDER_EXPR
    5163             :    directly.  This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and
    5164             :    field positions.  */
    5165             : 
    5166             : extern bool type_contains_placeholder_p (tree);
    5167             : 
    5168             : /* Given a tree EXP, find all occurrences of references to fields
    5169             :    in a PLACEHOLDER_EXPR and place them in vector REFS without
    5170             :    duplicates.  Also record VAR_DECLs and CONST_DECLs.  Note that
    5171             :    we assume here that EXP contains only arithmetic expressions
    5172             :    or CALL_EXPRs with PLACEHOLDER_EXPRs occurring only in their
    5173             :    argument list.  */
    5174             : 
    5175             : extern void find_placeholder_in_expr (tree, vec<tree> *);
    5176             : 
    5177             : /* This macro calls the above function but short-circuits the common
    5178             :    case of a constant to save time and also checks for NULL.  */
    5179             : 
    5180             : #define FIND_PLACEHOLDER_IN_EXPR(EXP, V) \
    5181             : do {                                     \
    5182             :   if((EXP) && !TREE_CONSTANT (EXP))      \
    5183             :     find_placeholder_in_expr (EXP, V);   \
    5184             : } while (0)
    5185             : 
    5186             : /* Given a tree EXP, a FIELD_DECL F, and a replacement value R,
    5187             :    return a tree with all occurrences of references to F in a
    5188             :    PLACEHOLDER_EXPR replaced by R.  Also handle VAR_DECLs and
    5189             :    CONST_DECLs.  Note that we assume here that EXP contains only
    5190             :    arithmetic expressions or CALL_EXPRs with PLACEHOLDER_EXPRs
    5191             :    occurring only in their argument list.  */
    5192             : 
    5193             : extern tree substitute_in_expr (tree, tree, tree);
    5194             : 
    5195             : /* This macro calls the above function but short-circuits the common
    5196             :    case of a constant to save time and also checks for NULL.  */
    5197             : 
    5198             : #define SUBSTITUTE_IN_EXPR(EXP, F, R) \
    5199             :   ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) : substitute_in_expr (EXP, F, R))
    5200             : 
    5201             : /* Similar, but look for a PLACEHOLDER_EXPR in EXP and find a replacement
    5202             :    for it within OBJ, a tree that is an object or a chain of references.  */
    5203             : 
    5204             : extern tree substitute_placeholder_in_expr (tree, tree);
    5205             : 
    5206             : /* This macro calls the above function but short-circuits the common
    5207             :    case of a constant to save time and also checks for NULL.  */
    5208             : 
    5209             : #define SUBSTITUTE_PLACEHOLDER_IN_EXPR(EXP, OBJ) \
    5210             :   ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP)    \
    5211             :    : substitute_placeholder_in_expr (EXP, OBJ))
    5212             : 
    5213             : 
    5214             : /* stabilize_reference (EXP) returns a reference equivalent to EXP
    5215             :    but it can be used multiple times
    5216             :    and only evaluate the subexpressions once.  */
    5217             : 
    5218             : extern tree stabilize_reference (tree);
    5219             : 
    5220             : /* Return EXP, stripped of any conversions to wider types
    5221             :    in such a way that the result of converting to type FOR_TYPE
    5222             :    is the same as if EXP were converted to FOR_TYPE.
    5223             :    If FOR_TYPE is 0, it signifies EXP's type.  */
    5224             : 
    5225             : extern tree get_unwidened (tree, tree);
    5226             : 
    5227             : /* Return OP or a simpler expression for a narrower value
    5228             :    which can be sign-extended or zero-extended to give back OP.
    5229             :    Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended
    5230             :    or 0 if the value should be sign-extended.  */
    5231             : 
    5232             : extern tree get_narrower (tree, int *);
    5233             : 
    5234             : /* Return true if T is an expression that get_inner_reference handles.  */
    5235             : 
    5236             : inline bool
    5237    27734541 : handled_component_p (const_tree t)
    5238             : {
    5239    27734541 :   switch (TREE_CODE (t))
    5240             :     {
    5241             :     case COMPONENT_REF:
    5242             :     case BIT_FIELD_REF:
    5243             :     case ARRAY_REF:
    5244             :     case ARRAY_RANGE_REF:
    5245             :     case REALPART_EXPR:
    5246             :     case IMAGPART_EXPR:
    5247             :     case VIEW_CONVERT_EXPR:
    5248             :       return true;
    5249             : 
    5250    27446954 :     default:
    5251    27445410 :       return false;
    5252             :     }
    5253             : }
    5254             : 
    5255             : /* Return true T is a component with reverse storage order.  */
    5256             : 
    5257             : inline bool
    5258             : reverse_storage_order_for_component_p (tree t)
    5259             : {
    5260             :   /* The storage order only applies to scalar components.  */
    5261             :   if (AGGREGATE_TYPE_P (TREE_TYPE (t))
    5262             :       || POINTER_TYPE_P (TREE_TYPE (t))
    5263             :       || VECTOR_TYPE_P (TREE_TYPE (t)))
    5264             :     return false;
    5265             : 
    5266             :   if (TREE_CODE (t) == REALPART_EXPR || TREE_CODE (t) == IMAGPART_EXPR)
    5267             :     t = TREE_OPERAND (t, 0);
    5268             : 
    5269             :   switch (TREE_CODE (t))
    5270             :     {
    5271             :     case ARRAY_REF:
    5272             :     case COMPONENT_REF:
    5273             :       /* ??? Fortran can take COMPONENT_REF of a VOID_TYPE.  */
    5274             :       /* ??? UBSan can take COMPONENT_REF of a REFERENCE_TYPE.  */
    5275             :       return AGGREGATE_TYPE_P (TREE_TYPE (TREE_OPERAND (t, 0)))
    5276             :              && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (TREE_OPERAND (t, 0)));
    5277             : 
    5278             :     case BIT_FIELD_REF:
    5279             :     case MEM_REF:
    5280             :       return REF_REVERSE_STORAGE_ORDER (t);
    5281             : 
    5282             :     case ARRAY_RANGE_REF:
    5283             :     case VIEW_CONVERT_EXPR:
    5284             :     default:
    5285             :       return false;
    5286             :     }
    5287             : }
    5288             : 
    5289             : /* Return true if T is a storage order barrier, i.e. a VIEW_CONVERT_EXPR
    5290             :    that can modify the storage order of objects.  Note that, even if the
    5291             :    TYPE_REVERSE_STORAGE_ORDER flag is set on both the inner type and the
    5292             :    outer type, a VIEW_CONVERT_EXPR can modify the storage order because
    5293             :    it can change the partition of the aggregate object into scalars.  */
    5294             : 
    5295             : inline bool
    5296             : storage_order_barrier_p (const_tree t)
    5297             : {
    5298             :   if (TREE_CODE (t) != VIEW_CONVERT_EXPR)
    5299             :     return false;
    5300             : 
    5301             :   if (AGGREGATE_TYPE_P (TREE_TYPE (t))
    5302             :       && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (t)))
    5303             :     return true;
    5304             : 
    5305             :   tree op = TREE_OPERAND (t, 0);
    5306             : 
    5307             :   if (AGGREGATE_TYPE_P (TREE_TYPE (op))
    5308             :       && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (op)))
    5309             :     return true;
    5310             : 
    5311             :   return false;
    5312             : }
    5313             : 
    5314             : /* Given a DECL or TYPE, return the scope in which it was declared, or
    5315             :    NUL_TREE if there is no containing scope.  */
    5316             : 
    5317             : extern tree get_containing_scope (const_tree);
    5318             : 
    5319             : /* Returns the ultimate TRANSLATION_UNIT_DECL context of DECL or NULL.  */
    5320             : 
    5321             : extern const_tree get_ultimate_context (const_tree);
    5322             : 
    5323             : /* Return the FUNCTION_DECL which provides this _DECL with its context,
    5324             :    or zero if none.  */
    5325             : extern tree decl_function_context (const_tree);
    5326             : 
    5327             : /* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
    5328             :    this _DECL with its context, or zero if none.  */
    5329             : extern tree decl_type_context (const_tree);
    5330             : 
    5331             : /* Return true if EXPR is the real constant zero.  */
    5332             : extern bool real_zerop (const_tree);
    5333             : 
    5334             : /* Initialize the iterator I with arguments from function FNDECL  */
    5335             : 
    5336             : inline void
    5337   633677038 : function_args_iter_init (function_args_iterator *i, const_tree fntype)
    5338             : {
    5339   633677038 :   i->next = TYPE_ARG_TYPES (fntype);
    5340   633677038 : }
    5341             : 
    5342             : /* Return a pointer that holds the next argument if there are more arguments to
    5343             :    handle, otherwise return NULL.  */
    5344             : 
    5345             : inline tree *
    5346             : function_args_iter_cond_ptr (function_args_iterator *i)
    5347             : {
    5348             :   return (i->next) ? &TREE_VALUE (i->next) : NULL;
    5349             : }
    5350             : 
    5351             : /* Return the next argument if there are more arguments to handle, otherwise
    5352             :    return NULL.  */
    5353             : 
    5354             : inline tree
    5355   633677038 : function_args_iter_cond (function_args_iterator *i)
    5356             : {
    5357   633677038 :   return (i->next) ? TREE_VALUE (i->next) : NULL_TREE;
    5358             : }
    5359             : 
    5360             : /* Advance to the next argument.  */
    5361             : inline void
    5362             : function_args_iter_next (function_args_iterator *i)
    5363             : {
    5364             :   gcc_assert (i->next != NULL_TREE);
    5365             :   i->next = TREE_CHAIN (i->next);
    5366             : }
    5367             : 
    5368             : /* Returns true if a BLOCK has a source location.
    5369             :    BLOCK_SOURCE_LOCATION is set only to inlined function entry points,
    5370             :    so the function returns true for all but the innermost and outermost
    5371             :    blocks into which an expression has been inlined.  */
    5372             : 
    5373             : inline bool
    5374             : inlined_function_outer_scope_p (const_tree block)
    5375             : {
    5376             :  return LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (block)) != UNKNOWN_LOCATION;
    5377             : }
    5378             : 
    5379             : /* Loop over all function arguments of FNTYPE.  In each iteration, PTR is set
    5380             :    to point to the next tree element.  ITER is an instance of
    5381             :    function_args_iterator used to iterate the arguments.  */
    5382             : #define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER)                    \
    5383             :   for (function_args_iter_init (&(ITER), (FNTYPE));                 \
    5384             :        (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL;               \
    5385             :        function_args_iter_next (&(ITER)))
    5386             : 
    5387             : /* Loop over all function arguments of FNTYPE.  In each iteration, TREE is set
    5388             :    to the next tree element.  ITER is an instance of function_args_iterator
    5389             :    used to iterate the arguments.  */
    5390             : #define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER)                       \
    5391             :   for (function_args_iter_init (&(ITER), (FNTYPE));                 \
    5392             :        (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE;             \
    5393             :        function_args_iter_next (&(ITER)))
    5394             : 
    5395             : /* In tree.cc */
    5396             : extern unsigned crc32_unsigned_n (unsigned, unsigned, unsigned);
    5397             : extern unsigned crc32_string (unsigned, const char *);
    5398             : inline unsigned
    5399      862026 : crc32_unsigned (unsigned chksum, unsigned value)
    5400             : {
    5401      862026 :   return crc32_unsigned_n (chksum, value, 4);
    5402             : }
    5403             : inline unsigned
    5404   932034810 : crc32_byte (unsigned chksum, char byte)
    5405             : {
    5406   932034810 :   return crc32_unsigned_n (chksum, byte, 1);
    5407             : }
    5408             : extern void clean_symbol_name (char *);
    5409             : extern tree get_file_function_name (const char *);
    5410             : extern tree get_callee_fndecl (const_tree);
    5411             : extern combined_fn get_call_combined_fn (const_tree);
    5412             : extern int type_num_arguments (const_tree);
    5413             : extern tree type_argument_type (const_tree, unsigned) ATTRIBUTE_NONNULL (1);
    5414             : extern bool associative_tree_code (enum tree_code);
    5415             : extern bool commutative_tree_code (enum tree_code);
    5416             : extern bool commutative_ternary_tree_code (enum tree_code);
    5417             : extern bool operation_can_overflow (enum tree_code);
    5418             : extern bool operation_no_trapping_overflow (tree, enum tree_code);
    5419             : extern tree upper_bound_in_type (tree, tree);
    5420             : extern tree lower_bound_in_type (tree, tree);
    5421             : extern bool operand_equal_for_phi_arg_p (const_tree, const_tree);
    5422             : extern tree create_artificial_label (location_t);
    5423             : extern const char *get_name (tree);
    5424             : extern bool stdarg_p (const_tree);
    5425             : extern bool prototype_p (const_tree);
    5426             : extern bool auto_var_p (const_tree);
    5427             : extern bool auto_var_in_fn_p (const_tree, const_tree);
    5428             : extern tree build_low_bits_mask (tree, unsigned);
    5429             : extern bool tree_nop_conversion_p (const_tree, const_tree);
    5430             : extern tree tree_strip_nop_conversions (tree);
    5431             : extern tree tree_strip_sign_nop_conversions (tree);
    5432             : extern const_tree strip_invariant_refs (const_tree);
    5433             : extern tree strip_zero_offset_components (tree);
    5434             : extern tree lhd_gcc_personality (void);
    5435             : extern void assign_assembler_name_if_needed (tree);
    5436             : extern bool warn_deprecated_use (tree, tree);
    5437             : extern void error_unavailable_use (tree, tree);
    5438             : extern tree cache_integer_cst (tree, bool might_duplicate = false);
    5439             : extern const char *combined_fn_name (combined_fn);
    5440             : 
    5441             : /* Returns true if X is a typedef decl.  */
    5442             : 
    5443             : inline bool
    5444 21915633852 : is_typedef_decl (const_tree x)
    5445             : {
    5446 19983416553 :   return (x && TREE_CODE (x) == TYPE_DECL
    5447 20003269714 :           && DECL_ORIGINAL_TYPE (x) != NULL_TREE);
    5448             : }
    5449             : 
    5450             : /* Returns true iff TYPE is a type variant created for a typedef. */
    5451             : 
    5452             : inline bool
    5453 21611140558 : typedef_variant_p (const_tree type)
    5454             : {
    5455 21611140558 :   return is_typedef_decl (TYPE_NAME (type));
    5456             : }
    5457             : 
    5458             : /* Compare and hash for any structure which begins with a canonical
    5459             :    pointer.  Assumes all pointers are interchangeable, which is sort
    5460             :    of already assumed by gcc elsewhere IIRC.  */
    5461             : 
    5462             : inline int
    5463             : struct_ptr_eq (const void *a, const void *b)
    5464             : {
    5465             :   const void * const * x = (const void * const *) a;
    5466             :   const void * const * y = (const void * const *) b;
    5467             :   return *x == *y;
    5468             : }
    5469             : 
    5470             : inline hashval_t
    5471             : struct_ptr_hash (const void *a)
    5472             : {
    5473             :   const void * const * x = (const void * const *) a;
    5474             :   return (intptr_t)*x >> 4;
    5475             : }
    5476             : 
    5477             : /* Return nonzero if CODE is a tree code that represents a truth value.  */
    5478             : inline bool
    5479      104746 : truth_value_p (enum tree_code code)
    5480             : {
    5481      104746 :   return (TREE_CODE_CLASS (code) == tcc_comparison
    5482      104646 :           || code == TRUTH_AND_EXPR || code == TRUTH_ANDIF_EXPR
    5483      104642 :           || code == TRUTH_OR_EXPR || code == TRUTH_ORIF_EXPR
    5484      209380 :           || code == TRUTH_XOR_EXPR || code == TRUTH_NOT_EXPR);
    5485             : }
    5486             : 
    5487             : /* Return whether TYPE is a type suitable for an offset for
    5488             :    a POINTER_PLUS_EXPR.  */
    5489             : inline bool
    5490             : ptrofftype_p (tree type)
    5491             : {
    5492             :   return (INTEGRAL_TYPE_P (type)
    5493             :           && TYPE_PRECISION (type) == TYPE_PRECISION (sizetype)
    5494             :           && TYPE_UNSIGNED (type) == TYPE_UNSIGNED (sizetype));
    5495             : }
    5496             : 
    5497             : /* Return true if the argument is a complete type or an array
    5498             :    of unknown bound (whose type is incomplete but) whose elements
    5499             :    have complete type.  */
    5500             : inline bool
    5501     4812696 : complete_or_array_type_p (const_tree type)
    5502             : {
    5503     4812696 :   return COMPLETE_TYPE_P (type)
    5504     4812696 :          || (TREE_CODE (type) == ARRAY_TYPE
    5505      100497 :              && COMPLETE_TYPE_P (TREE_TYPE (type)));
    5506             : }
    5507             : 
    5508             : /* Return true if the value of T could be represented as a poly_widest_int.  */
    5509             : 
    5510             : inline bool
    5511             : poly_int_tree_p (const_tree t)
    5512             : {
    5513             :   return (TREE_CODE (t) == INTEGER_CST || POLY_INT_CST_P (t));
    5514             : }
    5515             : 
    5516             : /* Return the bit size of BIT_FIELD_REF T, in cases where it is known
    5517             :    to be a poly_uint64.  (This is always true at the gimple level.)  */
    5518             : 
    5519             : inline poly_uint64
    5520             : bit_field_size (const_tree t)
    5521             : {
    5522             :   return tree_to_poly_uint64 (TREE_OPERAND (t, 1));
    5523             : }
    5524             : 
    5525             : /* Return the starting bit offset of BIT_FIELD_REF T, in cases where it is
    5526             :    known to be a poly_uint64.  (This is always true at the gimple level.)  */
    5527             : 
    5528             : inline poly_uint64
    5529             : bit_field_offset (const_tree t)
    5530             : {
    5531             :   return tree_to_poly_uint64 (TREE_OPERAND (t, 2));
    5532             : }
    5533             : 
    5534             : extern tree strip_float_extensions (tree);
    5535             : extern bool really_constant_p (const_tree);
    5536             : extern bool ptrdiff_tree_p (const_tree, poly_int64_pod *);
    5537             : extern bool decl_address_invariant_p (const_tree);
    5538             : extern bool decl_address_ip_invariant_p (const_tree);
    5539             : extern bool int_fits_type_p (const_tree, const_tree)
    5540             :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_NONNULL (2) ATTRIBUTE_PURE;
    5541             : #ifndef GENERATOR_FILE
    5542             : extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
    5543             : #endif
    5544             : extern bool variably_modified_type_p (tree, tree);
    5545             : extern int tree_log2 (const_tree);
    5546             : extern int tree_floor_log2 (const_tree);
    5547             : extern unsigned int tree_ctz (const_tree);
    5548             : extern int simple_cst_equal (const_tree, const_tree);
    5549             : 
    5550             : namespace inchash
    5551             : {
    5552             : 
    5553             : extern void add_expr (const_tree, hash &, unsigned int = 0);
    5554             : 
    5555             : }
    5556             : 
    5557             : /* Compat version until all callers are converted. Return hash for
    5558             :    TREE with SEED.  */
    5559   632018054 : inline hashval_t iterative_hash_expr(const_tree tree, hashval_t seed)
    5560             : {
    5561   632018054 :   inchash::hash hstate (seed);
    5562   632018054 :   inchash::add_expr (tree, hstate);
    5563   632018054 :   return hstate.end ();
    5564             : }
    5565             : 
    5566             : extern int compare_tree_int (const_tree, unsigned HOST_WIDE_INT);
    5567             : extern bool type_list_equal (const_tree, const_tree);
    5568             : extern bool chain_member (const_tree, const_tree);
    5569             : extern void dump_tree_statistics (void);
    5570             : extern void recompute_tree_invariant_for_addr_expr (tree);
    5571             : extern bool needs_to_live_in_memory (const_tree);
    5572             : extern tree reconstruct_complex_type (tree, tree);
    5573             : extern bool real_onep (const_tree);
    5574             : extern bool real_minus_onep (const_tree);
    5575             : extern bool real_maybe_zerop (const_tree);
    5576             : extern void init_ttree (void);
    5577             : extern void build_common_tree_nodes (bool);
    5578             : extern void build_common_builtin_nodes (void);
    5579             : extern void tree_cc_finalize (void);
    5580             : extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
    5581             : extern tree build_nonstandard_boolean_type (unsigned HOST_WIDE_INT);
    5582             : extern tree build_range_type (tree, tree, tree);
    5583             : extern tree build_nonshared_range_type (tree, tree, tree);
    5584             : extern bool subrange_type_for_debug_p (const_tree, tree *, tree *);
    5585             : extern HOST_WIDE_INT int_cst_value (const_tree);
    5586             : extern tree tree_block (tree);
    5587             : extern void tree_set_block (tree, tree);
    5588             : extern location_t *block_nonartificial_location (tree);
    5589             : extern location_t tree_nonartificial_location (tree);
    5590             : extern location_t tree_inlined_location (tree, bool = true);
    5591             : extern tree block_ultimate_origin (const_tree);
    5592             : extern tree get_binfo_at_offset (tree, poly_int64, tree);
    5593             : extern bool virtual_method_call_p (const_tree, bool = false);
    5594             : extern tree obj_type_ref_class (const_tree ref, bool = false);
    5595             : extern bool types_same_for_odr (const_tree type1, const_tree type2);
    5596             : extern bool contains_bitfld_component_ref_p (const_tree);
    5597             : extern bool block_may_fallthru (const_tree);
    5598             : extern void using_eh_for_cleanups (void);
    5599             : extern bool using_eh_for_cleanups_p (void);
    5600             : extern const char *get_tree_code_name (enum tree_code);
    5601             : extern void set_call_expr_flags (tree, int);
    5602             : extern tree walk_tree_1 (tree*, walk_tree_fn, void*, hash_set<tree>*,
    5603             :                          walk_tree_lh);
    5604             : extern tree walk_tree_without_duplicates_1 (tree*, walk_tree_fn, void*,
    5605             :                                             walk_tree_lh);
    5606             : #define walk_tree(a,b,c,d) \
    5607             :         walk_tree_1 (a, b, c, d, NULL)
    5608             : #define walk_tree_without_duplicates(a,b,c) \
    5609             :         walk_tree_without_duplicates_1 (a, b, c, NULL)
    5610             : 
    5611             : extern tree drop_tree_overflow (tree);
    5612             : 
    5613             : /* Given a memory reference expression T, return its base address.
    5614             :    The base address of a memory reference expression is the main
    5615             :    object being referenced.  */
    5616             : extern tree get_base_address (tree t);
    5617             : 
    5618             : /* Return a tree of sizetype representing the size, in bytes, of the element
    5619             :    of EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5620             : extern tree array_ref_element_size (tree);
    5621             : 
    5622             : /* Return a typenode for the "standard" C type with a given name.  */
    5623             : extern tree get_typenode_from_name (const char *);
    5624             : 
    5625             : /* Return a tree representing the upper bound of the array mentioned in
    5626             :    EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5627             : extern tree array_ref_up_bound (tree);
    5628             : 
    5629             : /* Return a tree representing the lower bound of the array mentioned in
    5630             :    EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5631             : extern tree array_ref_low_bound (tree);
    5632             : 
    5633             : /* Returns true if REF is an array reference, a component reference,
    5634             :    or a memory reference to an array whose actual size might be larger
    5635             :    than its upper bound implies.  */
    5636             : extern bool array_ref_flexible_size_p (tree, bool * = NULL);
    5637             : 
    5638             : /* Return a tree representing the offset, in bytes, of the field referenced
    5639             :    by EXP.  This does not include any offset in DECL_FIELD_BIT_OFFSET.  */
    5640             : extern tree component_ref_field_offset (tree);
    5641             : 
    5642             : /* Describes a "special" array member for a COMPONENT_REF.  */
    5643             : enum struct special_array_member
    5644             :   {
    5645             :     none,       /* Not a special array member.  */
    5646             :     int_0,      /* Interior array member with zero elements.  */
    5647             :     trail_0,    /* Trailing array member with zero elements.  */
    5648             :     trail_1,    /* Trailing array member with one element.  */
    5649             :     trail_n,    /* Trailing array member with two or more elements.  */
    5650             :     int_n       /* Interior array member with one or more elements.  */
    5651             :   };
    5652             : 
    5653             : /* Determines the special array member type for a COMPONENT_REF.  */
    5654             : extern special_array_member component_ref_sam_type (tree);
    5655             : 
    5656             : /* Return the size of the member referenced by the COMPONENT_REF, using
    5657             :    its initializer expression if necessary in order to determine the size
    5658             :    of an initialized flexible array member.  The size might be zero for
    5659             :    an object with an uninitialized flexible array member or null if it
    5660             :    cannot be determined.  */
    5661             : extern tree component_ref_size (tree, special_array_member * = NULL);
    5662             : 
    5663             : extern int tree_map_base_eq (const void *, const void *);
    5664             : extern unsigned int tree_map_base_hash (const void *);
    5665             : extern bool tree_map_base_marked_p (const void *);
    5666             : extern void DEBUG_FUNCTION verify_type (const_tree t);
    5667             : extern bool gimple_canonical_types_compatible_p (const_tree, const_tree,
    5668             :                                                  bool trust_type_canonical = true);
    5669             : extern bool type_with_interoperable_signedness (const_tree);
    5670             : extern bitmap get_nonnull_args (const_tree);
    5671             : extern int get_range_pos_neg (tree);
    5672             : 
    5673             : /* Return true for a valid pair of new and delete operators.  */
    5674             : extern bool valid_new_delete_pair_p (tree, tree, bool * = NULL);
    5675             : 
    5676             : /* Return simplified tree code of type that is used for canonical type
    5677             :    merging.  */
    5678             : inline enum tree_code
    5679             : tree_code_for_canonical_type_merging (enum tree_code code)
    5680             : {
    5681             :   /* By C standard, each enumerated type shall be compatible with char,
    5682             :      a signed integer, or an unsigned integer.  The choice of type is
    5683             :      implementation defined (in our case it depends on -fshort-enum).
    5684             : 
    5685             :      For this reason we make no distinction between ENUMERAL_TYPE and INTEGER
    5686             :      type and compare only by their signedness and precision.  */
    5687             :   if (code == ENUMERAL_TYPE)
    5688             :     return INTEGER_TYPE;
    5689             :   /* To allow inter-operability between languages having references and
    5690             :      C, we consider reference types and pointers alike.  Note that this is
    5691             :      not strictly necessary for C-Fortran 2008 interoperability because
    5692             :      Fortran define C_PTR type that needs to be compatible with C pointers
    5693             :      and we handle this one as ptr_type_node.  */
    5694             :   if (code == REFERENCE_TYPE)
    5695             :     return POINTER_TYPE;
    5696             :   return code;
    5697             : }
    5698             : 
    5699             : /* Return ture if get_alias_set care about TYPE_CANONICAL of given type.
    5700             :    We don't define the types for pointers, arrays and vectors.  The reason is
    5701             :    that pointers are handled specially: ptr_type_node accesses conflict with
    5702             :    accesses to all other pointers.  This is done by alias.cc.
    5703             :    Because alias sets of arrays and vectors are the same as types of their
    5704             :    elements, we can't compute canonical type either.  Otherwise we could go
    5705             :    form void *[10] to int *[10] (because they are equivalent for canonical type
    5706             :    machinery) and get wrong TBAA.  */
    5707             : 
    5708             : inline bool
    5709             : canonical_type_used_p (const_tree t)
    5710             : {
    5711             :   return !(POINTER_TYPE_P (t)
    5712             :            || TREE_CODE (t) == ARRAY_TYPE
    5713             :            || TREE_CODE (t) == VECTOR_TYPE);
    5714             : }
    5715             : 
    5716             : /* Kinds of access to pass-by-reference arguments to functions.  */
    5717             : enum access_mode
    5718             : {
    5719             :   access_none = 0,
    5720             :   access_read_only = 1,
    5721             :   access_write_only = 2,
    5722             :   access_read_write = access_read_only | access_write_only,
    5723             :   access_deferred = 4
    5724             : };
    5725             : 
    5726             : #define tree_map_eq tree_map_base_eq
    5727             : extern unsigned int tree_map_hash (const void *);
    5728             : #define tree_map_marked_p tree_map_base_marked_p
    5729             : 
    5730             : #define tree_decl_map_eq tree_map_base_eq
    5731             : extern unsigned int tree_decl_map_hash (const void *);
    5732             : #define tree_decl_map_marked_p tree_map_base_marked_p
    5733             : 
    5734             : struct tree_decl_map_cache_hasher : ggc_cache_ptr_hash<tree_decl_map>
    5735             : {
    5736             :   static hashval_t hash (tree_decl_map *m) { return tree_decl_map_hash (m); }
    5737             :   static bool
    5738             :   equal (tree_decl_map *a, tree_decl_map *b)
    5739             :   {
    5740             :     return tree_decl_map_eq (a, b);
    5741             :   }
    5742             : 
    5743             :   static int
    5744             :   keep_cache_entry (tree_decl_map *&m)
    5745             :   {
    5746             :     return ggc_marked_p (m->base.from);
    5747             :   }
    5748             : };
    5749             : 
    5750             : #define tree_int_map_eq tree_map_base_eq
    5751             : #define tree_int_map_hash tree_map_base_hash
    5752             : #define tree_int_map_marked_p tree_map_base_marked_p
    5753             : 
    5754             : #define tree_vec_map_eq tree_map_base_eq
    5755             : #define tree_vec_map_hash tree_decl_map_hash
    5756             : #define tree_vec_map_marked_p tree_map_base_marked_p
    5757             : 
    5758             : struct tree_vec_map_cache_hasher : ggc_cache_ptr_hash<tree_vec_map>
    5759             : {
    5760     3426925 :   static hashval_t hash (tree_vec_map *m) { return DECL_UID (m->base.from); }
    5761             : 
    5762             :   static bool
    5763     4063241 :   equal (tree_vec_map *a, tree_vec_map *b)
    5764             :   {
    5765     4063241 :     return a->base.from == b->base.from;
    5766             :   }
    5767             : 
    5768             :   static int
    5769      703967 :   keep_cache_entry (tree_vec_map *&m)
    5770             :   {
    5771      703967 :     return ggc_marked_p (m->base.from);
    5772             :   }
    5773             : };
    5774             : 
    5775             : /* Hasher for tree decls.  Pointer equality is enough here, but the DECL_UID
    5776             :    is a better hash than the pointer value and gives a predictable traversal
    5777             :    order.  Additionally it can be used across PCH save/restore.  */
    5778             : struct tree_decl_hash : ggc_ptr_hash <tree_node>
    5779             : {
    5780             :   static inline hashval_t hash (tree);
    5781             : };
    5782             : 
    5783             : inline hashval_t
    5784   210923413 : tree_decl_hash::hash (tree t)
    5785             : {
    5786   210923413 :   return DECL_UID (t);
    5787             : }
    5788             : 
    5789             : /* Similarly for types.  Uses TYPE_UID as hash function.  */
    5790             : struct tree_type_hash : ggc_ptr_hash <tree_node>
    5791             : {
    5792             :   static inline hashval_t hash (tree);
    5793             : };
    5794             : 
    5795             : inline hashval_t
    5796      619440 : tree_type_hash::hash (tree t)
    5797             : {
    5798      619440 :   return TYPE_UID (t);
    5799             : }
    5800             : 
    5801             : /* Hash for SSA_NAMEs in the same function.  Pointer equality is enough
    5802             :    here, but the SSA_NAME_VERSION is a better hash than the pointer
    5803             :    value and gives a predictable traversal order.  */
    5804             : struct tree_ssa_name_hash : ggc_ptr_hash <tree_node>
    5805             : {
    5806             :   static inline hashval_t hash (tree);
    5807             : };
    5808             : 
    5809             : inline hashval_t
    5810             : tree_ssa_name_hash::hash (tree t)
    5811             : {
    5812             :   return SSA_NAME_VERSION (t);
    5813             : }
    5814             : 
    5815             : /* Hasher for general trees, based on their TREE_HASH.  */
    5816             : struct tree_hash : ggc_ptr_hash <tree_node>
    5817             : {
    5818             :   static hashval_t hash (tree);
    5819             : };
    5820             : 
    5821             : inline hashval_t
    5822             : tree_hash::hash (tree t)
    5823             : {
    5824             :   return TREE_HASH (t);
    5825             : }
    5826             : 
    5827             : /* A hash_map of two trees for use with GTY((cache)).  Garbage collection for
    5828             :    such a map will not mark keys, and will mark values if the key is already
    5829             :    marked.  */
    5830             : struct tree_cache_traits
    5831             :   : simple_cache_map_traits<default_hash_traits<tree>, tree> { };
    5832             : typedef hash_map<tree,tree,tree_cache_traits> tree_cache_map;
    5833             : 
    5834             : /* Similarly, but use DECL_UID as hash function rather than pointer hashing.
    5835             :    This is for hash_maps from decls to trees that need to work across PCH.  */
    5836             : struct decl_tree_cache_traits
    5837             :   : simple_cache_map_traits<tree_decl_hash, tree> { };
    5838             : typedef hash_map<tree,tree,decl_tree_cache_traits> decl_tree_cache_map;
    5839             : 
    5840             : /* Similarly, but use TYPE_UID as hash function rather than pointer hashing.
    5841             :    This is for hash_maps from types to trees that need to work across PCH.  */
    5842             : struct type_tree_cache_traits
    5843             :   : simple_cache_map_traits<tree_type_hash, tree> { };
    5844             : typedef hash_map<tree,tree,type_tree_cache_traits> type_tree_cache_map;
    5845             : 
    5846             : /* Similarly to decl_tree_cache_map, but without caching.  */
    5847             : struct decl_tree_traits
    5848             :   : simple_hashmap_traits<tree_decl_hash, tree> { };
    5849             : typedef hash_map<tree,tree,decl_tree_traits> decl_tree_map;
    5850             : 
    5851             : /* Initialize the abstract argument list iterator object ITER with the
    5852             :    arguments from CALL_EXPR node EXP.  */
    5853             : inline void
    5854   274618772 : init_call_expr_arg_iterator (tree exp, call_expr_arg_iterator *iter)
    5855             : {
    5856   274618772 :   iter->t = exp;
    5857   274618772 :   iter->n = call_expr_nargs (exp);
    5858   274618772 :   iter->i = 0;
    5859   274618772 : }
    5860             : 
    5861             : inline void
    5862             : init_const_call_expr_arg_iterator (const_tree exp, const_call_expr_arg_iterator *iter)
    5863             : {
    5864             :   iter->t = exp;
    5865             :   iter->n = call_expr_nargs (exp);
    5866             :   iter->i = 0;
    5867             : }
    5868             : 
    5869             : /* Return the next argument from abstract argument list iterator object ITER,
    5870             :    and advance its state.  Return NULL_TREE if there are no more arguments.  */
    5871             : inline tree
    5872   321265229 : next_call_expr_arg (call_expr_arg_iterator *iter)
    5873             : {
    5874   321265229 :   tree result;
    5875   321265229 :   if (iter->i >= iter->n)
    5876             :     return NULL_TREE;
    5877    61094163 :   result = CALL_EXPR_ARG (iter->t, iter->i);
    5878    61094163 :   iter->i++;
    5879    61094163 :   return result;
    5880             : }
    5881             : 
    5882             : inline const_tree
    5883             : next_const_call_expr_arg (const_call_expr_arg_iterator *iter)
    5884             : {
    5885             :   const_tree result;
    5886             :   if (iter->i >= iter->n)
    5887             :     return NULL_TREE;
    5888             :   result = CALL_EXPR_ARG (iter->t, iter->i);
    5889             :   iter->i++;
    5890             :   return result;
    5891             : }
    5892             : 
    5893             : /* Initialize the abstract argument list iterator object ITER, then advance
    5894             :    past and return the first argument.  Useful in for expressions, e.g.
    5895             :      for (arg = first_call_expr_arg (exp, &iter); arg;
    5896             :           arg = next_call_expr_arg (&iter))   */
    5897             : inline tree
    5898   260171066 : first_call_expr_arg (tree exp, call_expr_arg_iterator *iter)
    5899             : {
    5900   260171066 :   init_call_expr_arg_iterator (exp, iter);
    5901   260171066 :   return next_call_expr_arg (iter);
    5902             : }
    5903             : 
    5904             : inline const_tree
    5905             : first_const_call_expr_arg (const_tree exp, const_call_expr_arg_iterator *iter)
    5906             : {
    5907             :   init_const_call_expr_arg_iterator (exp, iter);
    5908             :   return next_const_call_expr_arg (iter);
    5909             : }
    5910             : 
    5911             : /* Test whether there are more arguments in abstract argument list iterator
    5912             :    ITER, without changing its state.  */
    5913             : inline bool
    5914     7466623 : more_call_expr_args_p (const call_expr_arg_iterator *iter)
    5915             : {
    5916     7466623 :   return (iter->i < iter->n);
    5917             : }
    5918             : 
    5919             : /* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
    5920             :    (of type call_expr_arg_iterator) to hold the iteration state.  */
    5921             : #define FOR_EACH_CALL_EXPR_ARG(arg, iter, call)                 \
    5922             :   for ((arg) = first_call_expr_arg ((call), &(iter)); (arg);        \
    5923             :        (arg) = next_call_expr_arg (&(iter)))
    5924             : 
    5925             : #define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call)                   \
    5926             :   for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg);  \
    5927             :        (arg) = next_const_call_expr_arg (&(iter)))
    5928             : 
    5929             : /* Return true if tree node T is a language-specific node.  */
    5930             : inline bool
    5931             : is_lang_specific (const_tree t)
    5932             : {
    5933             :   return TREE_CODE (t) == LANG_TYPE || TREE_CODE (t) >= NUM_TREE_CODES;
    5934             : }
    5935             : 
    5936             : /* Valid builtin number.  */
    5937             : #define BUILTIN_VALID_P(FNCODE) \
    5938             :   (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1))
    5939             : 
    5940             : /* Obtain a pointer to the identifier string holding the asm name for
    5941             :    BUILTIN, a BUILT_IN code.  This is handy if the target
    5942             :    mangles/overrides the function name that implements the
    5943             :    builtin.  */
    5944             : #define BUILTIN_ASM_NAME_PTR(BUILTIN) \
    5945             :   (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (builtin_decl_explicit (BUILTIN))))
    5946             : 
    5947             : /* Return the tree node for an explicit standard builtin function or NULL.  */
    5948             : inline tree
    5949      130488 : builtin_decl_explicit (enum built_in_function fncode)
    5950             : {
    5951      130488 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    5952             : 
    5953      130488 :   return builtin_info[(size_t)fncode].decl;
    5954             : }
    5955             : 
    5956             : /* Return the tree node for an implicit builtin function or NULL.  */
    5957             : inline tree
    5958        3015 : builtin_decl_implicit (enum built_in_function fncode)
    5959             : {
    5960        3015 :   size_t uns_fncode = (size_t)fncode;
    5961        3015 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    5962             : 
    5963        3015 :   if (!builtin_info[uns_fncode].implicit_p)
    5964             :     return NULL_TREE;
    5965             : 
    5966        3015 :   return builtin_info[uns_fncode].decl;
    5967             : }
    5968             : 
    5969             : /* For BUILTIN_UNREACHABLE, use one of these or
    5970             :    gimple_build_builtin_unreachable instead of one of the above.  */
    5971             : extern tree builtin_decl_unreachable ();
    5972             : extern tree build_builtin_unreachable (location_t);
    5973             : 
    5974             : /* Set explicit builtin function nodes and whether it is an implicit
    5975             :    function.  */
    5976             : 
    5977             : inline void
    5978             : set_builtin_decl (enum built_in_function fncode, tree decl, bool implicit_p)
    5979             : {
    5980             :   size_t ufncode = (size_t)fncode;
    5981             : 
    5982             :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    5983             :                        && (decl != NULL_TREE || !implicit_p));
    5984             : 
    5985             :   builtin_info[ufncode].decl = decl;
    5986             :   builtin_info[ufncode].implicit_p = implicit_p;
    5987             :   builtin_info[ufncode].declared_p = false;
    5988             : }
    5989             : 
    5990             : /* Set the implicit flag for a builtin function.  */
    5991             : 
    5992             : inline void
    5993        7293 : set_builtin_decl_implicit_p (enum built_in_function fncode, bool implicit_p)
    5994             : {
    5995        7293 :   size_t uns_fncode = (size_t)fncode;
    5996             : 
    5997        7293 :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    5998             :                        && builtin_info[uns_fncode].decl != NULL_TREE);
    5999             : 
    6000        7293 :   builtin_info[uns_fncode].implicit_p = implicit_p;
    6001        7293 : }
    6002             : 
    6003             : /* Set the declared flag for a builtin function.  */
    6004             : 
    6005             : inline void
    6006     2688448 : set_builtin_decl_declared_p (enum built_in_function fncode, bool declared_p)
    6007             : {
    6008     2688448 :   size_t uns_fncode = (size_t)fncode;
    6009             : 
    6010     2688448 :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    6011             :                        && builtin_info[uns_fncode].decl != NULL_TREE);
    6012             : 
    6013     2688448 :   builtin_info[uns_fncode].declared_p = declared_p;
    6014     2688448 : }
    6015             : 
    6016             : /* Return whether the standard builtin function can be used as an explicit
    6017             :    function.  */
    6018             : 
    6019             : inline bool
    6020     2695741 : builtin_decl_explicit_p (enum built_in_function fncode)
    6021             : {
    6022     2695741 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6023     2695741 :   return (builtin_info[(size_t)fncode].decl != NULL_TREE);
    6024             : }
    6025             : 
    6026             : /* Return whether the standard builtin function can be used implicitly.  */
    6027             : 
    6028             : inline bool
    6029             : builtin_decl_implicit_p (enum built_in_function fncode)
    6030             : {
    6031             :   size_t uns_fncode = (size_t)fncode;
    6032             : 
    6033             :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6034             :   return (builtin_info[uns_fncode].decl != NULL_TREE
    6035             :           && builtin_info[uns_fncode].implicit_p);
    6036             : }
    6037             : 
    6038             : /* Return whether the standard builtin function was declared.  */
    6039             : 
    6040             : inline bool
    6041             : builtin_decl_declared_p (enum built_in_function fncode)
    6042             : {
    6043             :   size_t uns_fncode = (size_t)fncode;
    6044             : 
    6045             :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6046             :   return (builtin_info[uns_fncode].decl != NULL_TREE
    6047             :           && builtin_info[uns_fncode].declared_p);
    6048             : }
    6049             : 
    6050             : /* Determine if the function identified by FNDECL is one that
    6051             :    makes sense to match by name, for those places where we detect
    6052             :    "magic" functions by name.
    6053             : 
    6054             :    Return true if FNDECL has a name and is an extern fndecl at file scope.
    6055             :    FNDECL must be a non-NULL decl.
    6056             : 
    6057             :    Avoid using this, as it's generally better to use attributes rather
    6058             :    than to check for functions by name.  */
    6059             : 
    6060             : inline bool
    6061             : maybe_special_function_p (const_tree fndecl)
    6062             : {
    6063             :   tree name_decl = DECL_NAME (fndecl);
    6064             :   if (name_decl
    6065             :       /* Exclude functions not at the file scope, or not `extern',
    6066             :          since they are not the magic functions we would otherwise
    6067             :          think they are.  */
    6068             :       && (DECL_CONTEXT (fndecl) == NULL_TREE
    6069             :           || TREE_CODE (DECL_CONTEXT (fndecl)) == TRANSLATION_UNIT_DECL)
    6070             :       && TREE_PUBLIC (fndecl))
    6071             :     return true;
    6072             :   return false;
    6073             : }
    6074             : 
    6075             : /* Return true if T (assumed to be a DECL) is a global variable.
    6076             :    A variable is considered global if its storage is not automatic.  */
    6077             : 
    6078             : inline bool
    6079    50188650 : is_global_var (const_tree t)
    6080             : {
    6081    50188650 :   return (TREE_STATIC (t) || DECL_EXTERNAL (t));
    6082             : }
    6083             : 
    6084             : /* Return true if VAR may be aliased.  A variable is considered as
    6085             :    maybe aliased if it has its address taken by the local TU
    6086             :    or possibly by another TU and might be modified through a pointer.  */
    6087             : 
    6088             : inline bool
    6089             : may_be_aliased (const_tree var)
    6090             : {
    6091             :   return (TREE_CODE (var) != CONST_DECL
    6092             :           && (TREE_PUBLIC (var)
    6093             :               || DECL_EXTERNAL (var)
    6094             :               || TREE_ADDRESSABLE (var))
    6095             :           && !((TREE_STATIC (var) || TREE_PUBLIC (var) || DECL_EXTERNAL (var))
    6096             :                && (TREE_READONLY (var)
    6097             :                    || (TREE_CODE (var) == VAR_DECL
    6098             :                        && DECL_NONALIASED (var)))));
    6099             : }
    6100             : 
    6101             : /* Return pointer to optimization flags of FNDECL.  */
    6102             : inline struct cl_optimization *
    6103    25353248 : opts_for_fn (const_tree fndecl)
    6104             : {
    6105    25353248 :   tree fn_opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (fndecl);
    6106    25353248 :   if (fn_opts == NULL_TREE)
    6107    25305789 :     fn_opts = optimization_default_node;
    6108    25353248 :   return TREE_OPTIMIZATION (fn_opts);
    6109             : }
    6110             : 
    6111             : /* Return pointer to target flags of FNDECL.  */
    6112             : inline cl_target_option *
    6113             : target_opts_for_fn (const_tree fndecl)
    6114             : {
    6115             :   tree fn_opts = DECL_FUNCTION_SPECIFIC_TARGET (fndecl);
    6116             :   if (fn_opts == NULL_TREE)
    6117             :     fn_opts = target_option_default_node;
    6118             :   return fn_opts == NULL_TREE ? NULL : TREE_TARGET_OPTION (fn_opts);
    6119             : }
    6120             : 
    6121             : /* opt flag for function FNDECL, e.g. opts_for_fn (fndecl, optimize) is
    6122             :    the optimization level of function fndecl.  */
    6123             : #define opt_for_fn(fndecl, opt) (opts_for_fn (fndecl)->x_##opt)
    6124             : 
    6125             : /* For anonymous aggregate types, we need some sort of name to
    6126             :    hold on to.  In practice, this should not appear, but it should
    6127             :    not be harmful if it does.  Identifiers returned will be
    6128             :    IDENTIFIER_ANON_P.  */
    6129             : extern tree make_anon_name ();
    6130             : 
    6131             : /* The tree and const_tree overload templates.   */
    6132             : namespace wi
    6133             : {
    6134             :   class unextended_tree
    6135             :   {
    6136             :   private:
    6137             :     const_tree m_t;
    6138             : 
    6139             :   public:
    6140             :     unextended_tree () {}
    6141             :     unextended_tree (const_tree t) : m_t (t) {}
    6142             : 
    6143             :     unsigned int get_precision () const;
    6144             :     const HOST_WIDE_INT *get_val () const;
    6145             :     unsigned int get_len () const;
    6146             :     const_tree get_tree () const { return m_t; }
    6147             :   };
    6148             : 
    6149             :   template <>
    6150             :   struct int_traits <unextended_tree>
    6151             :   {
    6152             :     static const enum precision_type precision_type = VAR_PRECISION;
    6153             :     static const bool host_dependent_precision = false;
    6154             :     static const bool is_sign_extended = false;
    6155             :   };
    6156             : 
    6157             :   template <int N>
    6158             :   class extended_tree
    6159             :   {
    6160             :   private:
    6161             :     const_tree m_t;
    6162             : 
    6163             :   public:
    6164             :     extended_tree () {}
    6165             :     extended_tree (const_tree);
    6166             : 
    6167             :     unsigned int get_precision () const;
    6168             :     const HOST_WIDE_INT *get_val () const;
    6169             :     unsigned int get_len () const;
    6170             :     const_tree get_tree () const { return m_t; }
    6171             :   };
    6172             : 
    6173             :   template <int N>
    6174             :   struct int_traits <extended_tree <N> >
    6175             :   {
    6176             :     static const enum precision_type precision_type = CONST_PRECISION;
    6177             :     static const bool host_dependent_precision = false;
    6178             :     static const bool is_sign_extended = true;
    6179             :     static const unsigned int precision = N;
    6180             :   };
    6181             : 
    6182             :   typedef extended_tree <WIDE_INT_MAX_PRECISION> widest_extended_tree;
    6183             :   typedef extended_tree <ADDR_MAX_PRECISION> offset_extended_tree;
    6184             : 
    6185             :   typedef const generic_wide_int <widest_extended_tree> tree_to_widest_ref;
    6186             :   typedef const generic_wide_int <offset_extended_tree> tree_to_offset_ref;
    6187             :   typedef const generic_wide_int<wide_int_ref_storage<false, false> >
    6188             :     tree_to_wide_ref;
    6189             : 
    6190             :   tree_to_widest_ref to_widest (const_tree);
    6191             :   tree_to_offset_ref to_offset (const_tree);
    6192             :   tree_to_wide_ref to_wide (const_tree);
    6193             :   wide_int to_wide (const_tree, unsigned int);
    6194             : 
    6195             :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6196             :                           generic_wide_int <widest_extended_tree> >
    6197             :     tree_to_poly_widest_ref;
    6198             :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6199             :                           generic_wide_int <offset_extended_tree> >
    6200             :     tree_to_poly_offset_ref;
    6201             :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6202             :                           generic_wide_int <unextended_tree> >
    6203             :     tree_to_poly_wide_ref;
    6204             : 
    6205             :   tree_to_poly_widest_ref to_poly_widest (const_tree);
    6206             :   tree_to_poly_offset_ref to_poly_offset (const_tree);
    6207             :   tree_to_poly_wide_ref to_poly_wide (const_tree);
    6208             : 
    6209             :   template <int N>
    6210             :   struct ints_for <generic_wide_int <extended_tree <N> >, CONST_PRECISION>
    6211             :   {
    6212             :     typedef generic_wide_int <extended_tree <N> > extended;
    6213             :     static extended zero (const extended &);
    6214             :   };
    6215             : 
    6216             :   template <>
    6217             :   struct ints_for <generic_wide_int <unextended_tree>, VAR_PRECISION>
    6218             :   {
    6219             :     typedef generic_wide_int <unextended_tree> unextended;
    6220             :     static unextended zero (const unextended &);
    6221             :   };
    6222             : }
    6223             : 
    6224             : /* Used to convert a tree to a widest2_int like this:
    6225             :    widest2_int foo = widest2_int_cst (some_tree).  */
    6226             : typedef generic_wide_int <wi::extended_tree <WIDE_INT_MAX_PRECISION * 2> >
    6227             :   widest2_int_cst;
    6228             : 
    6229             : /* Refer to INTEGER_CST T as though it were a widest_int.
    6230             : 
    6231             :    This function gives T's actual numerical value, influenced by the
    6232             :    signedness of its type.  For example, a signed byte with just the
    6233             :    top bit set would be -128 while an unsigned byte with the same
    6234             :    bit pattern would be 128.
    6235             : 
    6236             :    This is the right choice when operating on groups of INTEGER_CSTs
    6237             :    that might have different signedness or precision.  It is also the
    6238             :    right choice in code that specifically needs an approximation of
    6239             :    infinite-precision arithmetic instead of normal modulo arithmetic.
    6240             : 
    6241             :    The approximation of infinite precision is good enough for realistic
    6242             :    numbers of additions and subtractions of INTEGER_CSTs (where
    6243             :    "realistic" includes any number less than 1 << 31) but it cannot
    6244             :    represent the result of multiplying the two largest supported
    6245             :    INTEGER_CSTs.  The overflow-checking form of wi::mul provides a way
    6246             :    of multiplying two arbitrary INTEGER_CSTs and checking that the
    6247             :    result is representable as a widest_int.
    6248             : 
    6249             :    Note that any overflow checking done on these values is relative to
    6250             :    the range of widest_int rather than the range of a TREE_TYPE.
    6251             : 
    6252             :    Calling this function should have no overhead in release builds,
    6253             :    so it is OK to call it several times for the same tree.  If it is
    6254             :    useful for readability reasons to reduce the number of calls,
    6255             :    it is more efficient to use:
    6256             : 
    6257             :      wi::tree_to_widest_ref wt = wi::to_widest (t);
    6258             : 
    6259             :    instead of:
    6260             : 
    6261             :      widest_int wt = wi::to_widest (t).  */
    6262             : 
    6263             : inline wi::tree_to_widest_ref
    6264   591398484 : wi::to_widest (const_tree t)
    6265             : {
    6266   848102357 :   return t;
    6267             : }
    6268             : 
    6269             : /* Refer to INTEGER_CST T as though it were an offset_int.
    6270             : 
    6271             :    This function is an optimisation of wi::to_widest for cases
    6272             :    in which T is known to be a bit or byte count in the range
    6273             :    (-(2 ^ (N + BITS_PER_UNIT)), 2 ^ (N + BITS_PER_UNIT)), where N is
    6274             :    the target's address size in bits.
    6275             : 
    6276             :    This is the right choice when operating on bit or byte counts as
    6277             :    untyped numbers rather than M-bit values.  The wi::to_widest comments
    6278             :    about addition, subtraction and multiplication apply here: sequences
    6279             :    of 1 << 31 additions and subtractions do not induce overflow, but
    6280             :    multiplying the largest sizes might.  Again,
    6281             : 
    6282             :      wi::tree_to_offset_ref wt = wi::to_offset (t);
    6283             : 
    6284             :    is more efficient than:
    6285             : 
    6286             :      offset_int wt = wi::to_offset (t).  */
    6287             : 
    6288             : inline wi::tree_to_offset_ref
    6289      424758 : wi::to_offset (const_tree t)
    6290             : {
    6291      355285 :   return t;
    6292             : }
    6293             : 
    6294             : /* Refer to INTEGER_CST T as though it were a wide_int.
    6295             : 
    6296             :    In contrast to the approximation of infinite-precision numbers given
    6297             :    by wi::to_widest and wi::to_offset, this function treats T as a
    6298             :    signless collection of N bits, where N is the precision of T's type.
    6299             :    As with machine registers, signedness is determined by the operation
    6300             :    rather than the operands; for example, there is a distinction between
    6301             :    signed and unsigned division.
    6302             : 
    6303             :    This is the right choice when operating on values with the same type
    6304             :    using normal modulo arithmetic.  The overflow-checking forms of things
    6305             :    like wi::add check whether the result can be represented in T's type.
    6306             : 
    6307             :    Calling this function should have no overhead in release builds,
    6308             :    so it is OK to call it several times for the same tree.  If it is
    6309             :    useful for readability reasons to reduce the number of calls,
    6310             :    it is more efficient to use:
    6311             : 
    6312             :      wi::tree_to_wide_ref wt = wi::to_wide (t);
    6313             : 
    6314             :    instead of:
    6315             : 
    6316             :      wide_int wt = wi::to_wide (t).  */
    6317             : 
    6318             : inline wi::tree_to_wide_ref
    6319  4690865203 : wi::to_wide (const_tree t)
    6320             : {
    6321  4690865203 :   return wi::storage_ref (&TREE_INT_CST_ELT (t, 0), TREE_INT_CST_NUNITS (t),
    6322  4690865203 :                           TYPE_PRECISION (TREE_TYPE (t)));
    6323             : }
    6324             : 
    6325             : /* Convert INTEGER_CST T to a wide_int of precision PREC, extending or
    6326             :    truncating as necessary.  When extending, use sign extension if T's
    6327             :    type is signed and zero extension if T's type is unsigned.  */
    6328             : 
    6329             : inline wide_int
    6330             : wi::to_wide (const_tree t, unsigned int prec)
    6331             : {
    6332             :   return wide_int::from (wi::to_wide (t), prec, TYPE_SIGN (TREE_TYPE (t)));
    6333             : }
    6334             : 
    6335             : template <int N>
    6336   592000766 : inline wi::extended_tree <N>::extended_tree (const_tree t)
    6337   592000766 :   : m_t (t)
    6338             : {
    6339   592000766 :   gcc_checking_assert (TYPE_PRECISION (TREE_TYPE (t)) <= N);
    6340   592000766 : }
    6341             : 
    6342             : template <int N>
    6343             : inline unsigned int
    6344             : wi::extended_tree <N>::get_precision () const
    6345             : {
    6346             :   return N;
    6347             : }
    6348             : 
    6349             : template <int N>
    6350             : inline const HOST_WIDE_INT *
    6351  1045741863 : wi::extended_tree <N>::get_val () const
    6352             : {
    6353  1045741863 :   return &TREE_INT_CST_ELT (m_t, 0);
    6354             : }
    6355             : 
    6356             : template <int N>
    6357             : inline unsigned int
    6358  1045741863 : wi::extended_tree <N>::get_len () const
    6359             : {
    6360             :   if (N == ADDR_MAX_PRECISION)
    6361   229880540 :     return TREE_INT_CST_OFFSET_NUNITS (m_t);
    6362             :   else if (N >= WIDE_INT_MAX_PRECISION)
    6363   815861323 :     return TREE_INT_CST_EXT_NUNITS (m_t);
    6364             :   else
    6365             :     /* This class is designed to be used for specific output precisions
    6366             :        and needs to be as fast as possible, so there is no fallback for
    6367             :        other casees.  */
    6368             :     gcc_unreachable ();
    6369             : }
    6370             : 
    6371             : inline unsigned int
    6372             : wi::unextended_tree::get_precision () const
    6373             : {
    6374             :   return TYPE_PRECISION (TREE_TYPE (m_t));
    6375             : }
    6376             : 
    6377             : inline const HOST_WIDE_INT *
    6378             : wi::unextended_tree::get_val () const
    6379             : {
    6380             :   return &TREE_INT_CST_ELT (m_t, 0);
    6381             : }
    6382             : 
    6383             : inline unsigned int
    6384             : wi::unextended_tree::get_len () const
    6385             : {
    6386             :   return TREE_INT_CST_NUNITS (m_t);
    6387             : }
    6388             : 
    6389             : /* Return the value of a POLY_INT_CST in its native precision.  */
    6390             : 
    6391             : inline wi::tree_to_poly_wide_ref
    6392             : poly_int_cst_value (const_tree x)
    6393             : {
    6394             :   poly_int <NUM_POLY_INT_COEFFS, generic_wide_int <wi::unextended_tree> > res;
    6395             :   for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6396             :     res.coeffs[i] = POLY_INT_CST_COEFF (x, i);
    6397             :   return res;
    6398             : }
    6399             : 
    6400             : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6401             :    poly_widest_int.  See wi::to_widest for more details.  */
    6402             : 
    6403             : inline wi::tree_to_poly_widest_ref
    6404             : wi::to_poly_widest (const_tree t)
    6405             : {
    6406             :   if (POLY_INT_CST_P (t))
    6407             :     {
    6408             :       poly_int <NUM_POLY_INT_COEFFS,
    6409             :                 generic_wide_int <widest_extended_tree> > res;
    6410             :       for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6411             :         res.coeffs[i] = POLY_INT_CST_COEFF (t, i);
    6412             :       return res;
    6413             :     }
    6414             :   return t;
    6415             : }
    6416             : 
    6417             : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6418             :    poly_offset_int.  See wi::to_offset for more details.  */
    6419             : 
    6420             : inline wi::tree_to_poly_offset_ref
    6421             : wi::to_poly_offset (const_tree t)
    6422             : {
    6423             :   if (POLY_INT_CST_P (t))
    6424             :     {
    6425             :       poly_int <NUM_POLY_INT_COEFFS,
    6426             :                 generic_wide_int <offset_extended_tree> > res;
    6427             :       for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6428             :         res.coeffs[i] = POLY_INT_CST_COEFF (t, i);
    6429             :       return res;
    6430             :     }
    6431             :   return t;
    6432             : }
    6433             : 
    6434             : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6435             :    poly_wide_int.  See wi::to_wide for more details.  */
    6436             : 
    6437             : inline wi::tree_to_poly_wide_ref
    6438             : wi::to_poly_wide (const_tree t)
    6439             : {
    6440             :   if (POLY_INT_CST_P (t))
    6441             :     return poly_int_cst_value (t);
    6442             :   return t;
    6443             : }
    6444             : 
    6445             : template <int N>
    6446             : inline generic_wide_int <wi::extended_tree <N> >
    6447             : wi::ints_for <generic_wide_int <wi::extended_tree <N> >,
    6448             :               wi::CONST_PRECISION>::zero (const extended &x)
    6449             : {
    6450             :   return build_zero_cst (TREE_TYPE (x.get_tree ()));
    6451             : }
    6452             : 
    6453             : inline generic_wide_int <wi::unextended_tree>
    6454             : wi::ints_for <generic_wide_int <wi::unextended_tree>,
    6455             :               wi::VAR_PRECISION>::zero (const unextended &x)
    6456             : {
    6457             :   return build_zero_cst (TREE_TYPE (x.get_tree ()));
    6458             : }
    6459             : 
    6460             : namespace wi
    6461             : {
    6462             :   template <typename T>
    6463             :   bool fits_to_boolean_p (const T &x, const_tree);
    6464             : 
    6465             :   template <typename T>
    6466             :   bool fits_to_tree_p (const T &x, const_tree);
    6467             : 
    6468             :   wide_int min_value (const_tree);
    6469             :   wide_int max_value (const_tree);
    6470             : #ifndef GENERATOR_FILE
    6471             :   wide_int from_mpz (const_tree, mpz_t, bool);
    6472             : #endif
    6473             : }
    6474             : 
    6475             : template <typename T>
    6476             : bool
    6477        1086 : wi::fits_to_boolean_p (const T &x, const_tree type)
    6478             : {
    6479             :   typedef typename poly_int_traits<T>::int_type int_type;
    6480        1086 :   return (known_eq (x, int_type (0))
    6481        1086 :           || known_eq (x, int_type (TYPE_UNSIGNED (type) ? 1 : -1)));
    6482             : }
    6483             : 
    6484             : template <typename T>
    6485             : bool
    6486     4509855 : wi::fits_to_tree_p (const T &x, const_tree type)
    6487             : {
    6488             :   /* Non-standard boolean types can have arbitrary precision but various
    6489             :      transformations assume that they can only take values 0 and +/-1.  */
    6490     4509855 :   if (TREE_CODE (type) == BOOLEAN_TYPE)
    6491        1086 :     return fits_to_boolean_p (x, type);
    6492             : 
    6493     4508769 :   if (TYPE_UNSIGNED (type))
    6494      749407 :     return known_eq (x, zext (x, TYPE_PRECISION (type)));
    6495             :   else
    6496     3759362 :     return known_eq (x, sext (x, TYPE_PRECISION (type)));
    6497             : }
    6498             : 
    6499             : /* Produce the smallest number that is represented in TYPE.  The precision
    6500             :    and sign are taken from TYPE.  */
    6501             : inline wide_int
    6502             : wi::min_value (const_tree type)
    6503             : {
    6504             :   return min_value (TYPE_PRECISION (type), TYPE_SIGN (type));
    6505             : }
    6506             : 
    6507             : /* Produce the largest number that is represented in TYPE.  The precision
    6508             :    and sign are taken from TYPE.  */
    6509             : inline wide_int
    6510             : wi::max_value (const_tree type)
    6511             : {
    6512             :   return max_value (TYPE_PRECISION (type), TYPE_SIGN (type));
    6513             : }
    6514             : 
    6515             : /* Return true if INTEGER_CST T1 is less than INTEGER_CST T2,
    6516             :    extending both according to their respective TYPE_SIGNs.  */
    6517             : 
    6518             : inline bool
    6519   270107716 : tree_int_cst_lt (const_tree t1, const_tree t2)
    6520             : {
    6521   270107716 :   return wi::to_widest (t1) < wi::to_widest (t2);
    6522             : }
    6523             : 
    6524             : /* Return true if INTEGER_CST T1 is less than or equal to INTEGER_CST T2,
    6525             :    extending both according to their respective TYPE_SIGNs.  */
    6526             : 
    6527             : inline bool
    6528      409396 : tree_int_cst_le (const_tree t1, const_tree t2)
    6529             : {
    6530      409396 :   return wi::to_widest (t1) <= wi::to_widest (t2);
    6531             : }
    6532             : 
    6533             : /* Returns -1 if T1 < T2, 0 if T1 == T2, and 1 if T1 > T2.  T1 and T2
    6534             :    are both INTEGER_CSTs and their values are extended according to their
    6535             :    respective TYPE_SIGNs.  */
    6536             : 
    6537             : inline int
    6538     7192272 : tree_int_cst_compare (const_tree t1, const_tree t2)
    6539             : {
    6540     7192272 :   return wi::cmps (wi::to_widest (t1), wi::to_widest (t2));
    6541             : }
    6542             : 
    6543             : /* FIXME - These declarations belong in builtins.h, expr.h and emit-rtl.h,
    6544             :    but none of these files are allowed to be included from front ends.
    6545             :    They should be split in two. One suitable for the FEs, the other suitable
    6546             :    for the BE.  */
    6547             : 
    6548             : /* Assign the RTX to declaration.  */
    6549             : extern void set_decl_rtl (tree, rtx);
    6550             : extern bool complete_ctor_at_level_p (const_tree, HOST_WIDE_INT, const_tree);
    6551             : 
    6552             : /* Given an expression EXP that is a handled_component_p,
    6553             :    look for the ultimate containing object, which is returned and specify
    6554             :    the access position and size.  */
    6555             : extern tree get_inner_reference (tree, poly_int64_pod *, poly_int64_pod *,
    6556             :                                  tree *, machine_mode *, int *, int *, int *);
    6557             : 
    6558             : extern tree build_personality_function (const char *);
    6559             : 
    6560             : struct GTY(()) int_n_trees_t {
    6561             :   /* These parts are initialized at runtime */
    6562             :   tree signed_type;
    6563             :   tree unsigned_type;
    6564             : };
    6565             : 
    6566             : /* This is also in machmode.h */
    6567             : extern bool int_n_enabled_p[NUM_INT_N_ENTS];
    6568             : extern GTY(()) struct int_n_trees_t int_n_trees[NUM_INT_N_ENTS];
    6569             : 
    6570             : /* Like bit_position, but return as an integer.  It must be representable in
    6571             :    that way (since it could be a signed value, we don't have the
    6572             :    option of returning -1 like int_size_in_byte can.  */
    6573             : 
    6574             : inline HOST_WIDE_INT
    6575             : int_bit_position (const_tree field)
    6576             : {
    6577             :   return ((wi::to_offset (DECL_FIELD_OFFSET (field)) << LOG2_BITS_PER_UNIT)
    6578             :           + wi::to_offset (DECL_FIELD_BIT_OFFSET (field))).to_shwi ();
    6579             : }
    6580             : 
    6581             : /* Return true if it makes sense to consider alias set for a type T.  */
    6582             : 
    6583             : inline bool
    6584             : type_with_alias_set_p (const_tree t)
    6585             : {
    6586             :   /* Function and method types are never accessed as memory locations.  */
    6587             :   if (TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE)
    6588             :     return false;
    6589             : 
    6590             :   if (COMPLETE_TYPE_P (t))
    6591             :     return true;
    6592             : 
    6593             :   /* Incomplete types cannot be accessed in general except for arrays
    6594             :      where we can fetch its element despite we have no array bounds.  */
    6595             :   if (TREE_CODE (t) == ARRAY_TYPE && COMPLETE_TYPE_P (TREE_TYPE (t)))
    6596             :     return true;
    6597             : 
    6598             :   return false;
    6599             : }
    6600             : 
    6601             : extern location_t set_block (location_t loc, tree block);
    6602             : 
    6603             : extern void gt_ggc_mx (tree &);
    6604             : extern void gt_pch_nx (tree &);
    6605             : extern void gt_pch_nx (tree &, gt_pointer_operator, void *);
    6606             : 
    6607             : extern bool nonnull_arg_p (const_tree);
    6608             : extern bool is_empty_type (const_tree);
    6609             : extern bool default_is_empty_record (const_tree);
    6610             : extern bool flexible_array_type_p (const_tree);
    6611             : extern HOST_WIDE_INT arg_int_size_in_bytes (const_tree);
    6612             : extern tree arg_size_in_bytes (const_tree);
    6613             : extern bool expr_type_first_operand_type_p (tree_code);
    6614             : 
    6615             : extern location_t
    6616             : set_source_range (tree expr, location_t start, location_t finish);
    6617             : 
    6618             : extern location_t
    6619             : set_source_range (tree expr, source_range src_range);
    6620             : 
    6621             : /* Return true if it makes sense to promote/demote from_type to to_type. */
    6622             : inline bool
    6623             : desired_pro_or_demotion_p (const_tree to_type, const_tree from_type)
    6624             : {
    6625             :   unsigned int to_type_precision = TYPE_PRECISION (to_type);
    6626             : 
    6627             :   /* OK to promote if to_type is no bigger than word_mode. */
    6628             :   if (to_type_precision <= GET_MODE_PRECISION (word_mode))
    6629             :     return true;
    6630             : 
    6631             :   /* Otherwise, allow only if narrowing or same precision conversions. */
    6632             :   return to_type_precision <= TYPE_PRECISION (from_type);
    6633             : }
    6634             : 
    6635             : /* Pointer type used to declare builtins before we have seen its real
    6636             :    declaration.  */
    6637             : class builtin_structptr_type
    6638             : {
    6639             : public:
    6640             :   tree& node;
    6641             :   tree& base;
    6642             :   const char *str;
    6643             : };
    6644             : extern const builtin_structptr_type builtin_structptr_types[6];
    6645             : 
    6646             : /* Return true if type T has the same precision as its underlying mode.  */
    6647             : 
    6648             : inline bool
    6649             : type_has_mode_precision_p (const_tree t)
    6650             : {
    6651             :   return known_eq (TYPE_PRECISION (t), GET_MODE_PRECISION (TYPE_MODE (t)));
    6652             : }
    6653             : 
    6654             : /* Helper functions for fndecl_built_in_p.  */
    6655             : 
    6656             : inline bool
    6657             : built_in_function_equal_p (built_in_function name0, built_in_function name1)
    6658             : {
    6659             :   return name0 == name1;
    6660             : }
    6661             : 
    6662             : /* Recursive case for two or more names.  */
    6663             : 
    6664             : template <typename... F>
    6665             : inline bool
    6666             : built_in_function_equal_p (built_in_function name0, built_in_function name1,
    6667             :                            built_in_function name2, F... names)
    6668             : {
    6669             :   return name0 == name1 || built_in_function_equal_p (name0, name2, names...);
    6670             : }
    6671             : 
    6672             : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function.
    6673             : 
    6674             :    Note that it is different from the DECL_IS_UNDECLARED_BUILTIN
    6675             :    accessor, as this is impervious to user declaration.  */
    6676             : 
    6677             : inline bool
    6678   543890872 : fndecl_built_in_p (const_tree node)
    6679             : {
    6680   543890872 :   return DECL_BUILT_IN_CLASS (node) != NOT_BUILT_IN;
    6681             : }
    6682             : 
    6683             : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    6684             :    of class KLASS.  */
    6685             : 
    6686             : inline bool
    6687   276404516 : fndecl_built_in_p (const_tree node, built_in_class klass)
    6688             : {
    6689   349693787 :   return fndecl_built_in_p (node) && DECL_BUILT_IN_CLASS (node) == klass;
    6690             : }
    6691             : 
    6692             : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    6693             :    of class KLASS with name equal to NAME.  */
    6694             : 
    6695             : inline bool
    6696    90620641 : fndecl_built_in_p (const_tree node, unsigned int name, built_in_class klass)
    6697             : {
    6698    90620641 :   return (fndecl_built_in_p (node, klass)
    6699    93380564 :           && DECL_UNCHECKED_FUNCTION_CODE (node) == name);
    6700             : }
    6701             : 
    6702             : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    6703             :    of BUILT_IN_NORMAL class with name equal to NAME1 (or other mentioned
    6704             :    NAMES).  */
    6705             : 
    6706             : template <typename... F>
    6707             : inline bool
    6708    31841025 : fndecl_built_in_p (const_tree node, built_in_function name1, F... names)
    6709             : {
    6710    31841025 :   return (fndecl_built_in_p (node, BUILT_IN_NORMAL)
    6711    31841025 :           && built_in_function_equal_p (DECL_FUNCTION_CODE (node),
    6712    31841025 :                                         name1, names...));
    6713             : }
    6714             : 
    6715             : /* A struct for encapsulating location information about an operator
    6716             :    and the operation built from it.
    6717             : 
    6718             :    m_operator_loc is the location of the operator
    6719             :    m_combined_loc is the location of the compound expression.
    6720             : 
    6721             :    For example, given "a && b" the, operator location is:
    6722             :       a && b
    6723             :         ^~
    6724             :    and the combined location is:
    6725             :       a && b
    6726             :       ~~^~~~
    6727             :    Capturing this information allows for class binary_op_rich_location
    6728             :    to provide detailed information about e.g. type mismatches in binary
    6729             :    operations where enough location information is available:
    6730             : 
    6731             :      arg_0 op arg_1
    6732             :      ~~~~~ ^~ ~~~~~
    6733             :        |        |
    6734             :        |        arg1 type
    6735             :        arg0 type
    6736             : 
    6737             :    falling back to just showing the combined location:
    6738             : 
    6739             :      arg_0 op arg_1
    6740             :      ~~~~~~^~~~~~~~
    6741             : 
    6742             :    where it is not.  */
    6743             : 
    6744             : class op_location_t
    6745             : {
    6746             : public:
    6747             :   location_t m_operator_loc;
    6748             :   location_t m_combined_loc;
    6749             : 
    6750             :   /* 1-argument ctor, for constructing from a combined location.  */
    6751    94354578 :   op_location_t (location_t combined_loc)
    6752    94291128 :   : m_operator_loc (UNKNOWN_LOCATION), m_combined_loc (combined_loc)
    6753             :   {}
    6754             : 
    6755             :   /* 2-argument ctor, for distinguishing between the operator's location
    6756             :      and the combined location.  */
    6757    81598711 :   op_location_t (location_t operator_loc, location_t combined_loc)
    6758    81598711 :   : m_operator_loc (operator_loc), m_combined_loc (combined_loc)
    6759             :   {}
    6760             : 
    6761             :   /* Implicitly convert back to a location_t, using the combined location.  */
    6762   270786787 :   operator location_t () const { return m_combined_loc; }
    6763             : };
    6764             : 
    6765             : /* Code that doesn't refer to any warning.  Has no effect on suppression
    6766             :    functions.  */
    6767             : constexpr opt_code no_warning = opt_code ();
    6768             : /* Wildcard code that refers to all warnings.  */
    6769             : constexpr opt_code all_warnings = N_OPTS;
    6770             : 
    6771             : /* Return the disposition for a warning (or all warnings by default)
    6772             :    at a location.  */
    6773             : extern bool warning_suppressed_at (location_t, opt_code = all_warnings);
    6774             : /* Set the disposition for a warning (or all warnings by default)
    6775             :    at a location to disabled by default.  */
    6776             : extern bool suppress_warning_at (location_t, opt_code = all_warnings,
    6777             :                                  bool = true);
    6778             : /* Copy warning disposition from one location to another.  */
    6779             : extern void copy_warning (location_t, location_t);
    6780             : 
    6781             : /* Return the disposition for a warning (or all warnings by default)
    6782             :    for an expression.  */
    6783             : extern bool warning_suppressed_p (const_tree, opt_code = all_warnings);
    6784             : /* Set the disposition for a warning (or all warnings by default)
    6785             :    at a location to disabled by default.  */
    6786             : extern void suppress_warning (tree, opt_code = all_warnings, bool = true)
    6787             :   ATTRIBUTE_NONNULL (1);
    6788             : /* Copy warning disposition from one expression to another.  */
    6789             : extern void copy_warning (tree, const_tree);
    6790             : 
    6791             : /* Return the zero-based number corresponding to the argument being
    6792             :    deallocated if FNDECL is a deallocation function or an out-of-bounds
    6793             :    value if it isn't.  */
    6794             : extern unsigned fndecl_dealloc_argno (tree);
    6795             : 
    6796             : /* If an expression refers to a character array or pointer declared
    6797             :    attribute nonstring, return a decl for that array or pointer and
    6798             :    if nonnull, set the second argument to the referenced enclosing
    6799             :    object or pointer.  Otherwise return null.  */
    6800             : extern tree get_attr_nonstring_decl (tree, tree * = NULL);
    6801             : 
    6802             : extern int get_target_clone_attr_len (tree);
    6803             : 
    6804             : #endif  /* GCC_TREE_H  */

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