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/* Comparsion of AO ref.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, 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 TREE_SSA_ALIAS_COMPARE_H
#define TREE_SSA_ALIAS_COMPARE_H
class operand_compare;
/* A class aggregating all connections and semantic equivalents
for a given pair of semantic function candidates. */
class ao_compare : public operand_compare
{
public:
enum ao_ref_diff
{
SEMANTICS = 1,
BASE_ALIAS_SET = 2,
REF_ALIAS_SET = 4,
ACCESS_PATH = 8,
DEPENDENCE_CLIQUE = 16
};
int compare_ao_refs (ao_ref *ref1, ao_ref *ref2, bool lto_streaming_safe,
bool tbaa);
void hash_ao_ref (ao_ref *ref, bool lto_streaming_safe, bool tbaa,
inchash::hash &hstate);
};
#endif