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
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
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
,
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
);
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
);
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
);
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
);
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
);
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
);
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
);
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
);
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 */