1 | /* Exported functions from alias.cc |
2 | Copyright (C) 2004-2023 Free Software Foundation, Inc. |
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 |
8 | Software Foundation; either version 3, or (at your option) any later |
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 |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #ifndef GCC_ALIAS_H |
21 | #define GCC_ALIAS_H |
22 | |
23 | extern alias_set_type new_alias_set (void); |
24 | extern alias_set_type get_alias_set (tree); |
25 | extern alias_set_type get_deref_alias_set (tree); |
26 | extern alias_set_type get_varargs_alias_set (void); |
27 | extern alias_set_type get_frame_alias_set (void); |
28 | extern tree component_uses_parent_alias_set_from (const_tree); |
29 | extern bool ends_tbaa_access_path_p (const_tree); |
30 | extern bool alias_set_subset_of (alias_set_type, alias_set_type); |
31 | extern void record_alias_subset (alias_set_type, alias_set_type); |
32 | extern void record_component_aliases (tree); |
33 | extern bool alias_sets_conflict_p (alias_set_type, alias_set_type); |
34 | extern bool alias_sets_must_conflict_p (alias_set_type, alias_set_type); |
35 | extern bool objects_must_conflict_p (tree, tree); |
36 | extern bool nonoverlapping_memrefs_p (const_rtx, const_rtx, bool); |
37 | extern void dump_alias_stats_in_alias_c (FILE *s); |
38 | tree reference_alias_ptr_type (tree); |
39 | tree reference_alias_ptr_type_1 (tree *); |
40 | bool alias_ptr_types_compatible_p (tree, tree); |
41 | int compare_base_decls (tree, tree); |
42 | bool refs_same_for_tbaa_p (tree, tree); |
43 | bool mems_same_for_tbaa_p (rtx, rtx); |
44 | |
45 | /* This alias set can be used to force a memory to conflict with all |
46 | other memories, creating a barrier across which no memory reference |
47 | can move. Note that there are other legacy ways to create such |
48 | memory barriers, including an address of SCRATCH. */ |
49 | #define ALIAS_SET_MEMORY_BARRIER ((alias_set_type) -1) |
50 | |
51 | #endif /* GCC_ALIAS_H */ |
52 | |