| /* Exported functions from alias.cc |
| Copyright (C) 2004-2022 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_ALIAS_H |
| #define GCC_ALIAS_H |
| |
| extern alias_set_type new_alias_set (void); |
| extern alias_set_type get_alias_set (tree); |
| extern alias_set_type get_deref_alias_set (tree); |
| extern alias_set_type get_varargs_alias_set (void); |
| extern alias_set_type get_frame_alias_set (void); |
| extern tree component_uses_parent_alias_set_from (const_tree); |
| extern bool ends_tbaa_access_path_p (const_tree); |
| extern bool alias_set_subset_of (alias_set_type, alias_set_type); |
| extern void record_alias_subset (alias_set_type, alias_set_type); |
| extern void record_component_aliases (tree); |
| extern int alias_sets_conflict_p (alias_set_type, alias_set_type); |
| extern int alias_sets_must_conflict_p (alias_set_type, alias_set_type); |
| extern int objects_must_conflict_p (tree, tree); |
| extern int nonoverlapping_memrefs_p (const_rtx, const_rtx, bool); |
| extern void dump_alias_stats_in_alias_c (FILE *s); |
| tree reference_alias_ptr_type (tree); |
| tree reference_alias_ptr_type_1 (tree *); |
| bool alias_ptr_types_compatible_p (tree, tree); |
| int compare_base_decls (tree, tree); |
| bool refs_same_for_tbaa_p (tree, tree); |
| bool mems_same_for_tbaa_p (rtx, rtx); |
| |
| /* This alias set can be used to force a memory to conflict with all |
| other memories, creating a barrier across which no memory reference |
| can move. Note that there are other legacy ways to create such |
| memory barriers, including an address of SCRATCH. */ |
| #define ALIAS_SET_MEMORY_BARRIER ((alias_set_type) -1) |
| |
| #endif /* GCC_ALIAS_H */ |