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b238b34e | 1 | /* Support routines for dead store elimination. |
a945c346 | 2 | Copyright (C) 2019-2024 Free Software Foundation, Inc. |
b238b34e PK |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3, or (at your option) | |
9 | 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 GCC_TREE_SSA_DSE_H | |
21 | #define GCC_TREE_SSA_DSE_H | |
22 | ||
23 | /* Return value from dse_classify_store */ | |
24 | enum dse_store_status | |
25 | { | |
26 | DSE_STORE_LIVE, | |
27 | DSE_STORE_MAYBE_PARTIAL_DEAD, | |
28 | DSE_STORE_DEAD | |
29 | }; | |
30 | ||
31 | dse_store_status dse_classify_store (ao_ref *, gimple *, bool, sbitmap, | |
32 | bool * = NULL, tree = NULL); | |
33 | ||
4b0ab0d9 | 34 | void delete_dead_or_redundant_assignment (gimple_stmt_iterator *, const char *, |
8f9f5101 | 35 | bitmap = NULL, bitmap = NULL); |
b238b34e PK |
36 | |
37 | #endif /* GCC_TREE_SSA_DSE_H */ |