--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ipa-reference.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,33 @@
+/* IPA handling of references.
+   Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by 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 3, 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_IPA_REFERENCE_H
+#define GCC_IPA_REFERENCE_H
+#include "bitmap.h"
+#include "tree.h"
+
+/* In ipa-reference.c  */
+bitmap ipa_reference_get_read_global (struct cgraph_node *fn);
+bitmap ipa_reference_get_written_global (struct cgraph_node *fn);
+bitmap ipa_reference_get_not_read_global (struct cgraph_node *fn);
+bitmap ipa_reference_get_not_written_global (struct cgraph_node *fn);
+
+#endif  /* GCC_IPA_REFERENCE_H  */
+