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4c74e6d9 | 1 | /* Exported functions from alias.c |
fbd26352 | 2 | Copyright (C) 2004-2019 Free Software Foundation, Inc. |
4c74e6d9 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
4c74e6d9 | 9 | version. |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
8c4c00c1 | 17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
4c74e6d9 | 19 | |
20 | #ifndef GCC_ALIAS_H | |
21 | #define GCC_ALIAS_H | |
22 | ||
32c2fdea | 23 | extern alias_set_type new_alias_set (void); |
a306ee43 | 24 | extern alias_set_type get_alias_set (tree); |
dd277d48 | 25 | extern alias_set_type get_deref_alias_set (tree); |
32c2fdea | 26 | extern alias_set_type get_varargs_alias_set (void); |
27 | extern alias_set_type get_frame_alias_set (void); | |
d400f5e1 | 28 | extern tree component_uses_parent_alias_set_from (const_tree); |
32c2fdea | 29 | extern bool alias_set_subset_of (alias_set_type, alias_set_type); |
892fdb03 | 30 | extern void record_alias_subset (alias_set_type, alias_set_type); |
a306ee43 | 31 | extern void record_component_aliases (tree); |
32 | extern int alias_sets_conflict_p (alias_set_type, alias_set_type); | |
33 | extern int alias_sets_must_conflict_p (alias_set_type, alias_set_type); | |
34 | extern int objects_must_conflict_p (tree, tree); | |
a84256aa | 35 | extern int nonoverlapping_memrefs_p (const_rtx, const_rtx, bool); |
5b6bf098 | 36 | extern void dump_alias_stats_in_alias_c (FILE *s); |
bd93e4f8 | 37 | tree reference_alias_ptr_type (tree); |
38 | bool alias_ptr_types_compatible_p (tree, tree); | |
96ba6770 | 39 | int compare_base_decls (tree, tree); |
4c74e6d9 | 40 | |
c94cfd1c | 41 | /* This alias set can be used to force a memory to conflict with all |
42 | other memories, creating a barrier across which no memory reference | |
43 | can move. Note that there are other legacy ways to create such | |
44 | memory barriers, including an address of SCRATCH. */ | |
32c2fdea | 45 | #define ALIAS_SET_MEMORY_BARRIER ((alias_set_type) -1) |
c94cfd1c | 46 | |
4c74e6d9 | 47 | #endif /* GCC_ALIAS_H */ |