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- /* Support routines for dead store elimination.
- Copyright (C) 2019-2020 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);
-
- #endif /* GCC_TREE_SSA_DSE_H */
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