1 /* Gimple folding definitions. 2 3 Copyright (C) 2011-2015 Free Software Foundation, Inc. 4 Contributed by Richard Guenther <rguenther@suse.de> 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #ifndef GCC_GIMPLE_FOLD_H 23 #define GCC_GIMPLE_FOLD_H 24 25 extern tree canonicalize_constructor_val (tree, tree); 26 extern tree get_symbol_constant_value (tree); 27 extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); 28 extern bool fold_stmt (gimple_stmt_iterator *); 29 extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree)); 30 extern bool fold_stmt_inplace (gimple_stmt_iterator *); 31 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, 32 enum tree_code, tree, tree); 33 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, 34 enum tree_code, tree, tree); 35 extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree, 36 const_tree); 37 extern tree no_follow_ssa_edges (tree); 38 extern tree follow_single_use_edges (tree); 39 extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree), 40 tree (*) (tree) = no_follow_ssa_edges); 41 extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree)); 42 extern tree fold_ctor_reference (tree, tree, unsigned HOST_WIDE_INT, 43 unsigned HOST_WIDE_INT, tree); 44 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree)); 45 extern tree fold_const_aggregate_ref (tree); 46 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree, 47 bool *can_refer = NULL); 48 extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree, 49 unsigned HOST_WIDE_INT, 50 bool *can_refer = NULL); 51 extern bool gimple_val_nonnegative_real_p (tree); 52 extern tree gimple_fold_indirect_ref (tree); 53 extern bool arith_code_with_undefined_signed_overflow (tree_code); 54 extern gimple_seq rewrite_to_defined_overflow (gimple); 55 56 /* gimple_build, functionally matching fold_buildN, outputs stmts 57 int the provided sequence, matching and simplifying them on-the-fly. 58 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */ 59 extern tree gimple_build (gimple_seq *, location_t, 60 enum tree_code, tree, tree, 61 tree (*valueize) (tree) = NULL); 62 inline tree 63 gimple_build (gimple_seq *seq, 64 enum tree_code code, tree type, tree op0) 65 { 66 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0); 67 } 68 extern tree gimple_build (gimple_seq *, location_t, 69 enum tree_code, tree, tree, tree, 70 tree (*valueize) (tree) = NULL); 71 inline tree 72 gimple_build (gimple_seq *seq, 73 enum tree_code code, tree type, tree op0, tree op1) 74 { 75 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1); 76 } 77 extern tree gimple_build (gimple_seq *, location_t, 78 enum tree_code, tree, tree, tree, tree, 79 tree (*valueize) (tree) = NULL); 80 inline tree 81 gimple_build (gimple_seq *seq, 82 enum tree_code code, tree type, tree op0, tree op1, tree op2) 83 { 84 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2); 85 } 86 extern tree gimple_build (gimple_seq *, location_t, 87 enum built_in_function, tree, tree, 88 tree (*valueize) (tree) = NULL); 89 inline tree 90 gimple_build (gimple_seq *seq, 91 enum built_in_function fn, tree type, tree arg0) 92 { 93 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0); 94 } 95 extern tree gimple_build (gimple_seq *, location_t, 96 enum built_in_function, tree, tree, tree, 97 tree (*valueize) (tree) = NULL); 98 inline tree 99 gimple_build (gimple_seq *seq, 100 enum built_in_function fn, tree type, tree arg0, tree arg1) 101 { 102 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1); 103 } 104 extern tree gimple_build (gimple_seq *, location_t, 105 enum built_in_function, tree, tree, tree, tree, 106 tree (*valueize) (tree) = NULL); 107 inline tree 108 gimple_build (gimple_seq *seq, 109 enum built_in_function fn, tree type, 110 tree arg0, tree arg1, tree arg2) 111 { 112 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2); 113 } 114 115 extern tree gimple_convert (gimple_seq *, location_t, tree, tree); 116 inline tree 117 gimple_convert (gimple_seq *seq, tree type, tree op) 118 { 119 return gimple_convert (seq, UNKNOWN_LOCATION, type, op); 120 } 121 122 /* In gimple-match.c. */ 123 extern tree gimple_simplify (enum tree_code, tree, tree, 124 gimple_seq *, tree (*)(tree)); 125 extern tree gimple_simplify (enum tree_code, tree, tree, tree, 126 gimple_seq *, tree (*)(tree)); 127 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree, 128 gimple_seq *, tree (*)(tree)); 129 extern tree gimple_simplify (enum built_in_function, tree, tree, 130 gimple_seq *, tree (*)(tree)); 131 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, 132 gimple_seq *, tree (*)(tree)); 133 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree, 134 gimple_seq *, tree (*)(tree)); 135 136 #endif /* GCC_GIMPLE_FOLD_H */ 137