--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/gimplify-me.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,37 @@
+/* Header file for middle end gimplification.
+   Copyright (C) 2013-2017 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 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_GIMPLIFY_ME_H
+#define GCC_GIMPLIFY_ME_H
+
+/* Validation of GIMPLE expressions.  Note that these predicates only check
+ *    the basic form of the expression, they don't recurse to make sure that
+ *       underlying nodes are also of the right form.  */
+typedef bool (*gimple_predicate)(tree);
+
+extern tree force_gimple_operand_1 (tree, gimple_seq *, gimple_predicate, tree);
+extern tree force_gimple_operand (tree, gimple_seq *, bool, tree);
+extern tree force_gimple_operand_gsi_1 (gimple_stmt_iterator *, tree,
+					gimple_predicate, tree,
+					bool, enum gsi_iterator_update);
+extern tree force_gimple_operand_gsi (gimple_stmt_iterator *, tree, bool, tree,
+				      bool, enum gsi_iterator_update);
+extern void gimple_regimplify_operands (gimple *, gimple_stmt_iterator *);
+
+#endif /* GCC_GIMPLIFY_ME_H */