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       1                 :             : /* Comparsion of AO ref.
       2                 :             :    Copyright (C) 2020-2024 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
       7                 :             :    under the terms of the GNU General Public License as published by
       8                 :             :    the Free Software Foundation; either version 3 of the License, or
       9                 :             :    (at your option) any later version.
      10                 :             : 
      11                 :             :    GCC is distributed in the hope that it will be useful,
      12                 :             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :             :    GNU General Public License 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 TREE_SSA_ALIAS_COMPARE_H
      21                 :             : #define TREE_SSA_ALIAS_COMPARE_H
      22                 :             : 
      23                 :             : class operand_compare;
      24                 :             : /* A class aggregating all connections and semantic equivalents
      25                 :             :    for a given pair of semantic function candidates.  */
      26                 :      356318 : class ao_compare : public operand_compare
      27                 :             : {
      28                 :             :   public:
      29                 :             :   enum ao_ref_diff
      30                 :             :   {
      31                 :             :     SEMANTICS = 1,
      32                 :             :     BASE_ALIAS_SET = 2,
      33                 :             :     REF_ALIAS_SET = 4,
      34                 :             :     ACCESS_PATH = 8,
      35                 :             :     DEPENDENCE_CLIQUE = 16
      36                 :             :   };
      37                 :             :   int compare_ao_refs (ao_ref *ref1, ao_ref *ref2, bool lto_streaming_safe,
      38                 :             :                        bool tbaa);
      39                 :             :   void hash_ao_ref (ao_ref *ref, bool lto_streaming_safe, bool tbaa,
      40                 :             :                     inchash::hash &hstate);
      41                 :             : };
      42                 :             : 
      43                 :             : #endif