re PR c++/79790 ([C++17] ICE class template argument deduction failed)
[official-gcc.git] / gcc / gimple-fold.h
blob2cee38508fc23bab79e60fa3c7e41922f7a00489
1 /* Gimple folding definitions.
3 Copyright (C) 2011-2017 Free Software Foundation, Inc.
4 Contributed by Richard Guenther <rguenther@suse.de>
6 This file is part of GCC.
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.
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.
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/>. */
22 #ifndef GCC_GIMPLE_FOLD_H
23 #define GCC_GIMPLE_FOLD_H
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]);
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, unsigned HOST_WIDE_INT,
48 unsigned HOST_WIDE_INT, tree);
49 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
50 extern tree fold_const_aggregate_ref (tree);
51 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
52 bool *can_refer = NULL);
53 extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
54 unsigned HOST_WIDE_INT,
55 bool *can_refer = NULL);
56 extern tree gimple_fold_indirect_ref (tree);
57 extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *);
58 extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *);
59 extern bool arith_code_with_undefined_signed_overflow (tree_code);
60 extern gimple_seq rewrite_to_defined_overflow (gimple *);
61 extern void replace_call_with_value (gimple_stmt_iterator *, tree);
63 /* gimple_build, functionally matching fold_buildN, outputs stmts
64 int the provided sequence, matching and simplifying them on-the-fly.
65 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
66 extern tree gimple_build (gimple_seq *, location_t,
67 enum tree_code, tree, tree);
68 inline tree
69 gimple_build (gimple_seq *seq,
70 enum tree_code code, tree type, tree op0)
72 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
74 extern tree gimple_build (gimple_seq *, location_t,
75 enum tree_code, tree, tree, tree);
76 inline tree
77 gimple_build (gimple_seq *seq,
78 enum tree_code code, tree type, tree op0, tree op1)
80 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
82 extern tree gimple_build (gimple_seq *, location_t,
83 enum tree_code, tree, tree, tree, tree);
84 inline tree
85 gimple_build (gimple_seq *seq,
86 enum tree_code code, tree type, tree op0, tree op1, tree op2)
88 return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
90 extern tree gimple_build (gimple_seq *, location_t,
91 enum built_in_function, tree, tree);
92 inline tree
93 gimple_build (gimple_seq *seq,
94 enum built_in_function fn, tree type, tree arg0)
96 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
98 extern tree gimple_build (gimple_seq *, location_t,
99 enum built_in_function, tree, tree, tree);
100 inline tree
101 gimple_build (gimple_seq *seq,
102 enum built_in_function fn, tree type, tree arg0, tree arg1)
104 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
106 extern tree gimple_build (gimple_seq *, location_t,
107 enum built_in_function, tree, tree, tree, tree);
108 inline tree
109 gimple_build (gimple_seq *seq,
110 enum built_in_function fn, tree type,
111 tree arg0, tree arg1, tree arg2)
113 return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
116 extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
117 inline tree
118 gimple_convert (gimple_seq *seq, tree type, tree op)
120 return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
123 extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
124 inline tree
125 gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
127 return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
130 extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0);
131 extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0);
133 /* In gimple-match.c. */
134 extern tree gimple_simplify (enum tree_code, tree, tree,
135 gimple_seq *, tree (*)(tree));
136 extern tree gimple_simplify (enum tree_code, tree, tree, tree,
137 gimple_seq *, tree (*)(tree));
138 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
139 gimple_seq *, tree (*)(tree));
140 extern tree gimple_simplify (enum built_in_function, tree, tree,
141 gimple_seq *, tree (*)(tree));
142 extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
143 gimple_seq *, tree (*)(tree));
144 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
145 gimple_seq *, tree (*)(tree));
147 #endif /* GCC_GIMPLE_FOLD_H */