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