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1d0b727d 1/* Gimple folding definitions.
2
fbd26352 3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
1d0b727d 4 Contributed by Richard Guenther <rguenther@suse.de>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along 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
ac0146c1 25extern tree create_tmp_reg_or_ssa_name (tree, gimple *stmt = NULL);
0f4161b1 26extern tree canonicalize_constructor_val (tree, tree);
27extern tree get_symbol_constant_value (tree);
14c286b1 28struct c_strlen_data;
e15c4320 29extern bool get_range_strlen (tree, c_strlen_data *, unsigned eltsize);
0f4161b1 30extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
0f4161b1 31extern bool fold_stmt (gimple_stmt_iterator *);
55534d34 32extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree));
0f4161b1 33extern bool fold_stmt_inplace (gimple_stmt_iterator *);
34extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
35 enum tree_code, tree, tree);
36extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
37 enum tree_code, tree, tree);
5a5ef659 38extern bool optimize_atomic_compare_exchange_p (gimple *);
39extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *);
0c93c8a9 40extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree,
41 const_tree);
55534d34 42extern tree no_follow_ssa_edges (tree);
b768d5ee 43extern tree follow_single_use_edges (tree);
143c3c9a 44extern tree follow_all_ssa_edges (tree);
42acab1c 45extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree),
4e1b3545 46 tree (*) (tree) = no_follow_ssa_edges);
42acab1c 47extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree));
47d2cd73 48extern tree fold_ctor_reference (tree, tree, const poly_uint64&,
49 const poly_uint64&, tree,
50 unsigned HOST_WIDE_INT * = NULL);
0f4161b1 51extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
52extern tree fold_const_aggregate_ref (tree);
857c5a0b 53extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
54 bool *can_refer = NULL);
02636da3 55extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
857c5a0b 56 unsigned HOST_WIDE_INT,
57 bool *can_refer = NULL);
09c41ee4 58extern tree gimple_fold_indirect_ref (tree);
53e0530a 59extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *);
60extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *);
f6a34e3f 61extern bool arith_code_with_undefined_signed_overflow (tree_code);
42acab1c 62extern gimple_seq rewrite_to_defined_overflow (gimple *);
d08919a7 63extern void replace_call_with_value (gimple_stmt_iterator *, tree);
3b76cef6 64extern tree tree_vec_extract (gimple_stmt_iterator *, tree, tree, tree, tree);
1d0b727d 65
2165588a 66/* gimple_build, functionally matching fold_buildN, outputs stmts
67 int the provided sequence, matching and simplifying them on-the-fly.
68 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
69extern tree gimple_build (gimple_seq *, location_t,
85627475 70 enum tree_code, tree, tree);
2165588a 71inline tree
72gimple_build (gimple_seq *seq,
73 enum tree_code code, tree type, tree op0)
74{
75 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
76}
77extern tree gimple_build (gimple_seq *, location_t,
85627475 78 enum tree_code, tree, tree, tree);
2165588a 79inline tree
80gimple_build (gimple_seq *seq,
81 enum tree_code code, tree type, tree op0, tree op1)
82{
83 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
84}
85extern tree gimple_build (gimple_seq *, location_t,
85627475 86 enum tree_code, tree, tree, tree, tree);
2165588a 87inline tree
88gimple_build (gimple_seq *seq,
89 enum tree_code code, tree type, tree op0, tree op1, tree op2)
90{
91 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
92}
d5a19a73 93extern tree gimple_build (gimple_seq *, location_t, combined_fn, tree, tree);
2165588a 94inline tree
d5a19a73 95gimple_build (gimple_seq *seq, combined_fn fn, tree type, tree arg0)
2165588a 96{
97 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
98}
d5a19a73 99extern tree gimple_build (gimple_seq *, location_t, combined_fn,
100 tree, tree, tree);
2165588a 101inline tree
d5a19a73 102gimple_build (gimple_seq *seq, combined_fn fn,
103 tree type, tree arg0, tree arg1)
2165588a 104{
105 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
106}
d5a19a73 107extern tree gimple_build (gimple_seq *, location_t, combined_fn,
108 tree, tree, tree, tree);
2165588a 109inline tree
d5a19a73 110gimple_build (gimple_seq *seq, combined_fn fn,
111 tree type, tree arg0, tree arg1, tree arg2)
2165588a 112{
113 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
114}
115
65f73697 116extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
117inline tree
118gimple_convert (gimple_seq *seq, tree type, tree op)
119{
120 return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
121}
122
cba8396b 123extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
124inline tree
125gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
126{
127 return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
128}
129
9ed1960b 130extern tree gimple_build_vector_from_val (gimple_seq *, location_t, tree,
131 tree);
132inline tree
133gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op)
134{
135 return gimple_build_vector_from_val (seq, UNKNOWN_LOCATION, type, op);
136}
137
db39ad9d 138class tree_vector_builder;
139extern tree gimple_build_vector (gimple_seq *, location_t,
140 tree_vector_builder *);
9ed1960b 141inline tree
db39ad9d 142gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder)
9ed1960b 143{
db39ad9d 144 return gimple_build_vector (seq, UNKNOWN_LOCATION, builder);
9ed1960b 145}
146
ee230333 147extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0);
6f5f406a 148extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0);
ee230333 149
2165588a 150/* In gimple-match.c. */
151extern tree gimple_simplify (enum tree_code, tree, tree,
152 gimple_seq *, tree (*)(tree));
153extern tree gimple_simplify (enum tree_code, tree, tree, tree,
154 gimple_seq *, tree (*)(tree));
155extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
156 gimple_seq *, tree (*)(tree));
d5a19a73 157extern tree gimple_simplify (combined_fn, tree, tree,
2165588a 158 gimple_seq *, tree (*)(tree));
d5a19a73 159extern tree gimple_simplify (combined_fn, tree, tree, tree,
2165588a 160 gimple_seq *, tree (*)(tree));
d5a19a73 161extern tree gimple_simplify (combined_fn, tree, tree, tree, tree,
2165588a 162 gimple_seq *, tree (*)(tree));
163
1d0b727d 164#endif /* GCC_GIMPLE_FOLD_H */
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