1 /* Gimple folding definitions. 2 3 Copyright (C) 2011-2018 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 create_tmp_reg_or_ssa_name (tree, gimple *stmt = NULL); 26 extern tree canonicalize_constructor_val (tree, tree); 27 extern tree get_symbol_constant_value (tree); 28 extern bool get_range_strlen (tree, tree[2], bool = false); 29 extern tree get_maxval_strlen (tree, int); 30 extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); 31 extern bool fold_stmt (gimple_stmt_iterator *); 32 extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree)); 33 extern bool fold_stmt_inplace (gimple_stmt_iterator *); 34 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, 35 enum tree_code, tree, tree); 36 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, 37 enum tree_code, tree, tree); 38 extern bool optimize_atomic_compare_exchange_p (gimple *); 39 extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *); 40 extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree, 41 const_tree); 42 extern tree no_follow_ssa_edges (tree); 43 extern tree follow_single_use_edges (tree); 44 extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree), 45 tree (*) (tree) = no_follow_ssa_edges); 46 extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree)); 47 extern tree fold_ctor_reference (tree, tree, poly_uint64, poly_uint64, tree); 48 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree)); 49 extern tree fold_const_aggregate_ref (tree); 50 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree, 51 bool *can_refer = NULL); 52 extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree, 53 unsigned HOST_WIDE_INT, 54 bool *can_refer = NULL); 55 extern tree gimple_fold_indirect_ref (tree); 56 extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *); 57 extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *); 58 extern bool arith_code_with_undefined_signed_overflow (tree_code); 59 extern gimple_seq rewrite_to_defined_overflow (gimple *); 60 extern void replace_call_with_value (gimple_stmt_iterator *, tree); 61 62 /* gimple_build, functionally matching fold_buildN, outputs stmts 63 int the provided sequence, matching and simplifying them on-the-fly. 64 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */ 65 extern tree gimple_build (gimple_seq *, location_t, 66 enum tree_code, tree, tree); 67 inline tree 68 gimple_build (gimple_seq *seq, 69 enum tree_code code, tree type, tree op0) 70 { 71 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0); 72 } 73 extern tree gimple_build (gimple_seq *, location_t, 74 enum tree_code, tree, tree, tree); 75 inline tree 76 gimple_build (gimple_seq *seq, 77 enum tree_code code, tree type, tree op0, tree op1) 78 { 79 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1); 80 } 81 extern tree gimple_build (gimple_seq *, location_t, 82 enum tree_code, tree, tree, tree, tree); 83 inline tree 84 gimple_build (gimple_seq *seq, 85 enum tree_code code, tree type, tree op0, tree op1, tree op2) 86 { 87 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2); 88 } 89 extern tree gimple_build (gimple_seq *, location_t, 90 enum built_in_function, tree, tree); 91 inline tree 92 gimple_build (gimple_seq *seq, 93 enum built_in_function fn, tree type, tree arg0) 94 { 95 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0); 96 } 97 extern tree gimple_build (gimple_seq *, location_t, 98 enum built_in_function, tree, tree, tree); 99 inline tree 100 gimple_build (gimple_seq *seq, 101 enum built_in_function fn, tree type, tree arg0, tree arg1) 102 { 103 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1); 104 } 105 extern tree gimple_build (gimple_seq *, location_t, 106 enum built_in_function, tree, tree, tree, tree); 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 extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree); 123 inline tree 124 gimple_convert_to_ptrofftype (gimple_seq *seq, tree op) 125 { 126 return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op); 127 } 128 129 extern tree gimple_build_vector_from_val (gimple_seq *, location_t, tree, 130 tree); 131 inline tree 132 gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op) 133 { 134 return gimple_build_vector_from_val (seq, UNKNOWN_LOCATION, type, op); 135 } 136 137 class tree_vector_builder; 138 extern tree gimple_build_vector (gimple_seq *, location_t, 139 tree_vector_builder *); 140 inline tree 141 gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder) 142 { 143 return gimple_build_vector (seq, UNKNOWN_LOCATION, builder); 144 } 145 146 extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0); 147 extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0); 148 149 /* In gimple-match.c. */ 150 extern tree gimple_simplify (enum tree_code, tree, tree, 151 gimple_seq *, tree (*)(tree)); 152 extern tree gimple_simplify (enum tree_code, tree, tree, tree, 153 gimple_seq *, tree (*)(tree)); 154 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree, 155 gimple_seq *, tree (*)(tree)); 156 extern tree gimple_simplify (enum built_in_function, tree, tree, 157 gimple_seq *, tree (*)(tree)); 158 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, 159 gimple_seq *, tree (*)(tree)); 160 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree, 161 gimple_seq *, tree (*)(tree)); 162 163 #endif /* GCC_GIMPLE_FOLD_H */ 164