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1/* Gimple folding definitions.
2
23a5b65a 3 Copyright (C) 2011-2014 Free Software Foundation, Inc.
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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
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25extern tree canonicalize_constructor_val (tree, tree);
26extern tree get_symbol_constant_value (tree);
27extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
744730a4 28extern bool fold_stmt (gimple_stmt_iterator *);
e0ee10ed 29extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree));
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30extern bool fold_stmt_inplace (gimple_stmt_iterator *);
31extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
32 enum tree_code, tree, tree);
33extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
34 enum tree_code, tree, tree);
e0ee10ed 35extern tree no_follow_ssa_edges (tree);
45cc9f96 36extern tree follow_single_use_edges (tree);
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37extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree));
38extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree));
39extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
40extern tree fold_const_aggregate_ref (tree);
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41extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
42 bool *can_refer = NULL);
85942f45 43extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
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44 unsigned HOST_WIDE_INT,
45 bool *can_refer = NULL);
744730a4 46extern bool gimple_val_nonnegative_real_p (tree);
b184c8f1 47extern tree gimple_fold_indirect_ref (tree);
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48extern bool arith_code_with_undefined_signed_overflow (tree_code);
49extern gimple_seq rewrite_to_defined_overflow (gimple);
cfef45c8 50
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51/* gimple_build, functionally matching fold_buildN, outputs stmts
52 int the provided sequence, matching and simplifying them on-the-fly.
53 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
54extern tree gimple_build (gimple_seq *, location_t,
55 enum tree_code, tree, tree,
56 tree (*valueize) (tree) = NULL);
57inline tree
58gimple_build (gimple_seq *seq,
59 enum tree_code code, tree type, tree op0)
60{
61 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
62}
63extern tree gimple_build (gimple_seq *, location_t,
64 enum tree_code, tree, tree, tree,
65 tree (*valueize) (tree) = NULL);
66inline tree
67gimple_build (gimple_seq *seq,
68 enum tree_code code, tree type, tree op0, tree op1)
69{
70 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
71}
72extern tree gimple_build (gimple_seq *, location_t,
73 enum tree_code, tree, tree, tree, tree,
74 tree (*valueize) (tree) = NULL);
75inline tree
76gimple_build (gimple_seq *seq,
77 enum tree_code code, tree type, tree op0, tree op1, tree op2)
78{
79 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
80}
81extern tree gimple_build (gimple_seq *, location_t,
82 enum built_in_function, tree, tree,
83 tree (*valueize) (tree) = NULL);
84inline tree
85gimple_build (gimple_seq *seq,
86 enum built_in_function fn, tree type, tree arg0)
87{
88 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
89}
90extern tree gimple_build (gimple_seq *, location_t,
91 enum built_in_function, tree, tree, tree,
92 tree (*valueize) (tree) = NULL);
93inline tree
94gimple_build (gimple_seq *seq,
95 enum built_in_function fn, tree type, tree arg0, tree arg1)
96{
97 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
98}
99extern tree gimple_build (gimple_seq *, location_t,
100 enum built_in_function, tree, tree, tree, tree,
101 tree (*valueize) (tree) = NULL);
102inline tree
103gimple_build (gimple_seq *seq,
104 enum built_in_function fn, tree type,
105 tree arg0, tree arg1, tree arg2)
106{
107 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
108}
109
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110extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
111inline tree
112gimple_convert (gimple_seq *seq, tree type, tree op)
113{
114 return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
115}
116
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117/* In gimple-match.c. */
118extern tree gimple_simplify (enum tree_code, tree, tree,
119 gimple_seq *, tree (*)(tree));
120extern tree gimple_simplify (enum tree_code, tree, tree, tree,
121 gimple_seq *, tree (*)(tree));
122extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
123 gimple_seq *, tree (*)(tree));
124extern tree gimple_simplify (enum built_in_function, tree, tree,
125 gimple_seq *, tree (*)(tree));
126extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
127 gimple_seq *, tree (*)(tree));
128extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
129 gimple_seq *, tree (*)(tree));
130
cfef45c8 131#endif /* GCC_GIMPLE_FOLD_H */