48 lines
2.0 KiB
C
48 lines
2.0 KiB
C
/* Exported functions from alias.c
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Copyright (C) 2004-2017 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_ALIAS_H
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#define GCC_ALIAS_H
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extern alias_set_type new_alias_set (void);
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extern alias_set_type get_alias_set (tree);
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extern alias_set_type get_deref_alias_set (tree);
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extern alias_set_type get_varargs_alias_set (void);
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extern alias_set_type get_frame_alias_set (void);
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extern tree component_uses_parent_alias_set_from (const_tree);
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extern bool alias_set_subset_of (alias_set_type, alias_set_type);
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extern void record_alias_subset (alias_set_type, alias_set_type);
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extern void record_component_aliases (tree);
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extern int alias_sets_conflict_p (alias_set_type, alias_set_type);
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extern int alias_sets_must_conflict_p (alias_set_type, alias_set_type);
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extern int objects_must_conflict_p (tree, tree);
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extern int nonoverlapping_memrefs_p (const_rtx, const_rtx, bool);
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extern void dump_alias_stats_in_alias_c (FILE *s);
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tree reference_alias_ptr_type (tree);
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bool alias_ptr_types_compatible_p (tree, tree);
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int compare_base_decls (tree, tree);
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/* This alias set can be used to force a memory to conflict with all
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other memories, creating a barrier across which no memory reference
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can move. Note that there are other legacy ways to create such
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memory barriers, including an address of SCRATCH. */
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#define ALIAS_SET_MEMORY_BARRIER ((alias_set_type) -1)
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#endif /* GCC_ALIAS_H */
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