tree-ssa-dse.h

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/* Support routines for dead store elimination.
   Copyright (C) 2019-2026 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_TREE_SSA_DSE_H
#define GCC_TREE_SSA_DSE_H
 
/* Return value from dse_classify_store */
enum dse_store_status
{
  DSE_STORE_LIVE,
  DSE_STORE_MAYBE_PARTIAL_DEAD,
  DSE_STORE_DEAD
};
 
dse_store_status dse_classify_store (ao_ref *, gimple *, bool, sbitmap,
                                     bool * = NULL, tree = NULL);
 
void delete_dead_or_redundant_assignment (gimple_stmt_iterator *, const char *,
                                          bitmap = NULL, bitmap = NULL);
 
#endif   /* GCC_TREE_SSA_DSE_H  */