Merge dataflow branch into mainline

From-SVN: r125624

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/dce.h b/gcc/dce.h
new file mode 100644
index 00000000000..2971961d8ed
--- /dev/null
+++ b/gcc/dce.h
@@ -0,0 +1,29 @@
+/* RTL dead code elimination.
+   Copyright (C) 2005, 2006, 2007 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 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_DCE_H
+#define GCC_DCE_H
+
+struct df;
+
+extern bool run_fast_dce (void);
+extern void run_fast_df_dce (void);
+
+#endif /* GCC_DCE_H */