/* Exported functions from alias.c
- Copyright (C) 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2004-2020 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_ALIAS_H
#define GCC_ALIAS_H
-#include "coretypes.h"
-
-/* The type of an alias set. Code currently assumes that variables of
- this type can take the values 0 (the alias set which aliases
- everything) and -1 (sometimes indicating that the alias set is
- unknown, sometimes indicating a memory barrier) and -2 (indicating
- that the alias set should be set to a unique value but has not been
- set yet). */
-typedef int alias_set_type;
-
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 bool component_uses_parent_alias_set (const_tree);
+extern tree component_uses_parent_alias_set_from (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);
-extern bool insn_alias_sets_conflict_p (rtx, rtx);
+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);
+bool alias_ptr_types_compatible_p (tree, tree);
+int compare_base_decls (tree, tree);
/* This alias set can be used to force a memory to conflict with all
other memories, creating a barrier across which no memory reference