Merge dataflow branch into mainline

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125624 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 33 insertions, 0 deletions

diff --git a/gcc/dse.h b/gcc/dse.h
new file mode 100644
index 00000000000..1a845e372c0
--- /dev/null
+++ b/gcc/dse.h
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+/* RTL dead store elimination.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+
+   Contributed by Richard Sandiford <rsandifor@codesourcery.com>
+   and Kenneth Zadeck <zadeck@naturalbridge.com>
+
+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 2, 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 COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
+
+#ifndef GCC_DSE_H
+#define GCC_DSE_H
+
+struct df;
+
+extern void dse_record_singleton_alias_set (HOST_WIDE_INT, enum machine_mode);
+extern void dse_invalidate_singleton_alias_set (HOST_WIDE_INT);
+
+#endif /* GCC_DSE_H */
+