1 /* Gimple folding definitions.
3 Copyright (C) 2011-2014 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
canonicalize_constructor_val (tree
, tree
);
26 extern tree
get_symbol_constant_value (tree
);
27 extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator
*, tree
);
28 extern bool fold_stmt (gimple_stmt_iterator
*);
29 extern bool fold_stmt (gimple_stmt_iterator
*, tree (*) (tree
));
30 extern bool fold_stmt_inplace (gimple_stmt_iterator
*);
31 extern tree
maybe_fold_and_comparisons (enum tree_code
, tree
, tree
,
32 enum tree_code
, tree
, tree
);
33 extern tree
maybe_fold_or_comparisons (enum tree_code
, tree
, tree
,
34 enum tree_code
, tree
, tree
);
35 extern bool arith_overflowed_p (enum tree_code
, const_tree
, const_tree
,
37 extern tree
no_follow_ssa_edges (tree
);
38 extern tree
follow_single_use_edges (tree
);
39 extern tree
gimple_fold_stmt_to_constant_1 (gimple
, tree (*) (tree
),
40 tree (*) (tree
) = no_follow_ssa_edges
);
41 extern tree
gimple_fold_stmt_to_constant (gimple
, tree (*) (tree
));
42 extern tree
fold_const_aggregate_ref_1 (tree
, tree (*) (tree
));
43 extern tree
fold_const_aggregate_ref (tree
);
44 extern tree
gimple_get_virt_method_for_binfo (HOST_WIDE_INT
, tree
,
45 bool *can_refer
= NULL
);
46 extern tree
gimple_get_virt_method_for_vtable (HOST_WIDE_INT
, tree
,
47 unsigned HOST_WIDE_INT
,
48 bool *can_refer
= NULL
);
49 extern bool gimple_val_nonnegative_real_p (tree
);
50 extern tree
gimple_fold_indirect_ref (tree
);
51 extern bool arith_code_with_undefined_signed_overflow (tree_code
);
52 extern gimple_seq
rewrite_to_defined_overflow (gimple
);
54 /* gimple_build, functionally matching fold_buildN, outputs stmts
55 int the provided sequence, matching and simplifying them on-the-fly.
56 Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
57 extern tree
gimple_build (gimple_seq
*, location_t
,
58 enum tree_code
, tree
, tree
,
59 tree (*valueize
) (tree
) = NULL
);
61 gimple_build (gimple_seq
*seq
,
62 enum tree_code code
, tree type
, tree op0
)
64 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
);
66 extern tree
gimple_build (gimple_seq
*, location_t
,
67 enum tree_code
, tree
, tree
, tree
,
68 tree (*valueize
) (tree
) = NULL
);
70 gimple_build (gimple_seq
*seq
,
71 enum tree_code code
, tree type
, tree op0
, tree op1
)
73 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
, op1
);
75 extern tree
gimple_build (gimple_seq
*, location_t
,
76 enum tree_code
, tree
, tree
, tree
, tree
,
77 tree (*valueize
) (tree
) = NULL
);
79 gimple_build (gimple_seq
*seq
,
80 enum tree_code code
, tree type
, tree op0
, tree op1
, tree op2
)
82 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
, op1
, op2
);
84 extern tree
gimple_build (gimple_seq
*, location_t
,
85 enum built_in_function
, tree
, tree
,
86 tree (*valueize
) (tree
) = NULL
);
88 gimple_build (gimple_seq
*seq
,
89 enum built_in_function fn
, tree type
, tree arg0
)
91 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
);
93 extern tree
gimple_build (gimple_seq
*, location_t
,
94 enum built_in_function
, tree
, tree
, tree
,
95 tree (*valueize
) (tree
) = NULL
);
97 gimple_build (gimple_seq
*seq
,
98 enum built_in_function fn
, tree type
, tree arg0
, tree arg1
)
100 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
, arg1
);
102 extern tree
gimple_build (gimple_seq
*, location_t
,
103 enum built_in_function
, tree
, tree
, tree
, tree
,
104 tree (*valueize
) (tree
) = NULL
);
106 gimple_build (gimple_seq
*seq
,
107 enum built_in_function fn
, tree type
,
108 tree arg0
, tree arg1
, tree arg2
)
110 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
, arg1
, arg2
);
113 extern tree
gimple_convert (gimple_seq
*, location_t
, tree
, tree
);
115 gimple_convert (gimple_seq
*seq
, tree type
, tree op
)
117 return gimple_convert (seq
, UNKNOWN_LOCATION
, type
, op
);
120 /* In gimple-match.c. */
121 extern tree
gimple_simplify (enum tree_code
, tree
, tree
,
122 gimple_seq
*, tree (*)(tree
));
123 extern tree
gimple_simplify (enum tree_code
, tree
, tree
, tree
,
124 gimple_seq
*, tree (*)(tree
));
125 extern tree
gimple_simplify (enum tree_code
, tree
, tree
, tree
, tree
,
126 gimple_seq
*, tree (*)(tree
));
127 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
,
128 gimple_seq
*, tree (*)(tree
));
129 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
, tree
,
130 gimple_seq
*, tree (*)(tree
));
131 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
, tree
, tree
,
132 gimple_seq
*, tree (*)(tree
));
134 #endif /* GCC_GIMPLE_FOLD_H */