Allow Convb in backend.

[libfirm] / ir / ir / irgwalk_blk.c

diff --git a/ir/ir/irgwalk_blk.c b/ir/ir/irgwalk_blk.c
index aa3bae3..e452789 100644 (file)
--- a/ir/ir/irgwalk_blk.c
+++ b/ir/ir/irgwalk_blk.c
@@ -1,13 +1,27 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ir/irgwalk_blk.c
- * Purpose:
- * Author:      Michael Beck
- * Modified by:
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 1999-2004 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief   Blockwise walker implementation
+ * @author  Michael Beck
+ * @version $Id$
  */
 #ifdef HAVE_CONFIG_H
 # include "config.h"
@@ -355,6 +369,7 @@ do_irg_walk_blk(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *en
   blks.follow_deps = follow_deps != 0;
 
   /* first step: traverse the graph and fill the lists */
+  set_using_visited(irg);
   inc_irg_visited(irg);
   collect_walk(end_node, &blks);
 
@@ -375,6 +390,7 @@ do_irg_walk_blk(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *en
   obstack_free(&blks.obst, NULL);
 
   set_interprocedural_view(old_view);
+  clear_using_visited(irg);
 }
 
 void irg_walk_blkwise_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env)