becopyilp: Do not advertise the switch to dump the solution, because this is not...

[libfirm] / ir / be / betranshlp.c

diff --git a/ir/be/betranshlp.c b/ir/be/betranshlp.c
index d4c102c..c6547b9 100644 (file)
--- a/ir/be/betranshlp.c
+++ b/ir/be/betranshlp.c
@@ -1,20 +1,6 @@
 /*
- * Copyright (C) 1995-2010 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.
+ * Copyright (C) 2012 University of Karlsruhe.
  */
 
 /**
@@ -379,10 +365,8 @@ void be_transform_graph(ir_graph *irg, arch_pretrans_nodes *func)
        current_ir_graph = irg;
 
        /* create a new obstack */
-       struct obstack *old_obst = irg->obst;
-       struct obstack *new_obst = XMALLOC(struct obstack);
-       obstack_init(new_obst);
-       irg->obst = new_obst;
+       struct obstack old_obst = irg->obst;
+       obstack_init(&irg->obst);
        irg->last_node_idx = 0;
 
        free_vrp_data(irg);
@@ -394,8 +378,7 @@ void be_transform_graph(ir_graph *irg, arch_pretrans_nodes *func)
        transform_nodes(irg, func);
 
        /* free the old obstack */
-       obstack_free(old_obst, 0);
-       xfree(old_obst);
+       obstack_free(&old_obst, 0);
 
        /* restore state */
        current_ir_graph = old_current_ir_graph;