1/* RTL dead store elimination.
2   Copyright (C) 2007 Free Software Foundation, Inc.
3
4   Contributed by Richard Sandiford <rsandifor@codesourcery.com>
5   and Kenneth Zadeck <zadeck@naturalbridge.com>
6
7This file is part of GCC.
8
9GCC is free software; you can redistribute it and/or modify it under
10the terms of the GNU General Public License as published by the Free
11Software Foundation; either version 3, or (at your option) any later
12version.
13
14GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15WARRANTY; without even the implied warranty of MERCHANTABILITY or
16FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
17 for more details.
18
19You should have received a copy of the GNU General Public License
20along with GCC; see the file COPYING3.  If not see
21<http://www.gnu.org/licenses/>.  */
22
23#ifndef GCC_DSE_H
24#define GCC_DSE_H
25
26struct df;
27
28extern void dse_record_singleton_alias_set (alias_set_type, enum machine_mode);
29extern void dse_invalidate_singleton_alias_set (alias_set_type);
30
31#endif /* GCC_DSE_H */
32
33