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 tree
no_follow_ssa_edges (tree
);
36 extern tree
follow_single_use_edges (tree
);
37 extern tree
gimple_fold_stmt_to_constant_1 (gimple
, tree (*) (tree
));
38 extern tree
gimple_fold_stmt_to_constant (gimple
, tree (*) (tree
));
39 extern tree
fold_const_aggregate_ref_1 (tree
, tree (*) (tree
));
40 extern tree
fold_const_aggregate_ref (tree
);
41 extern tree
gimple_get_virt_method_for_binfo (HOST_WIDE_INT
, tree
,
42 bool *can_refer
= NULL
);
43 extern tree
gimple_get_virt_method_for_vtable (HOST_WIDE_INT
, tree
,
44 unsigned HOST_WIDE_INT
,
45 bool *can_refer
= NULL
);
46 extern bool gimple_val_nonnegative_real_p (tree
);
47 extern tree
gimple_fold_indirect_ref (tree
);
48 extern bool arith_code_with_undefined_signed_overflow (tree_code
);
49 extern gimple_seq
rewrite_to_defined_overflow (gimple
);
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 (...), ...). */
54 extern tree
gimple_build (gimple_seq
*, location_t
,
55 enum tree_code
, tree
, tree
,
56 tree (*valueize
) (tree
) = NULL
);
58 gimple_build (gimple_seq
*seq
,
59 enum tree_code code
, tree type
, tree op0
)
61 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
);
63 extern tree
gimple_build (gimple_seq
*, location_t
,
64 enum tree_code
, tree
, tree
, tree
,
65 tree (*valueize
) (tree
) = NULL
);
67 gimple_build (gimple_seq
*seq
,
68 enum tree_code code
, tree type
, tree op0
, tree op1
)
70 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
, op1
);
72 extern tree
gimple_build (gimple_seq
*, location_t
,
73 enum tree_code
, tree
, tree
, tree
, tree
,
74 tree (*valueize
) (tree
) = NULL
);
76 gimple_build (gimple_seq
*seq
,
77 enum tree_code code
, tree type
, tree op0
, tree op1
, tree op2
)
79 return gimple_build (seq
, UNKNOWN_LOCATION
, code
, type
, op0
, op1
, op2
);
81 extern tree
gimple_build (gimple_seq
*, location_t
,
82 enum built_in_function
, tree
, tree
,
83 tree (*valueize
) (tree
) = NULL
);
85 gimple_build (gimple_seq
*seq
,
86 enum built_in_function fn
, tree type
, tree arg0
)
88 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
);
90 extern tree
gimple_build (gimple_seq
*, location_t
,
91 enum built_in_function
, tree
, tree
, tree
,
92 tree (*valueize
) (tree
) = NULL
);
94 gimple_build (gimple_seq
*seq
,
95 enum built_in_function fn
, tree type
, tree arg0
, tree arg1
)
97 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
, arg1
);
99 extern tree
gimple_build (gimple_seq
*, location_t
,
100 enum built_in_function
, tree
, tree
, tree
, tree
,
101 tree (*valueize
) (tree
) = NULL
);
103 gimple_build (gimple_seq
*seq
,
104 enum built_in_function fn
, tree type
,
105 tree arg0
, tree arg1
, tree arg2
)
107 return gimple_build (seq
, UNKNOWN_LOCATION
, fn
, type
, arg0
, arg1
, arg2
);
110 extern tree
gimple_convert (gimple_seq
*, location_t
, tree
, tree
);
112 gimple_convert (gimple_seq
*seq
, tree type
, tree op
)
114 return gimple_convert (seq
, UNKNOWN_LOCATION
, type
, op
);
117 /* In gimple-match.c. */
118 extern tree
gimple_simplify (enum tree_code
, tree
, tree
,
119 gimple_seq
*, tree (*)(tree
));
120 extern tree
gimple_simplify (enum tree_code
, tree
, tree
, tree
,
121 gimple_seq
*, tree (*)(tree
));
122 extern tree
gimple_simplify (enum tree_code
, tree
, tree
, tree
, tree
,
123 gimple_seq
*, tree (*)(tree
));
124 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
,
125 gimple_seq
*, tree (*)(tree
));
126 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
, tree
,
127 gimple_seq
*, tree (*)(tree
));
128 extern tree
gimple_simplify (enum built_in_function
, tree
, tree
, tree
, tree
,
129 gimple_seq
*, tree (*)(tree
));
131 #endif /* GCC_GIMPLE_FOLD_H */