removed unitialized used vartiable

[libfirm] / ir / be / beutil.c

diff --git a/ir/be/beutil.c b/ir/be/beutil.c
index f47bc55..5a133a0 100644 (file)
--- a/ir/be/beutil.c
+++ b/ir/be/beutil.c
@@ -1,7 +1,7 @@
 /**
  * Contains some useful function for the backend.
- * @author Sebastian Hack
- * @cvsid  $Id$
+ * @author  Sebastian Hack
+ * @version $Id$
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -194,17 +194,22 @@ unsigned get_num_reachable_nodes(ir_graph *irg) {
  * Sets all node inputs to BAD node.
  */
 void be_kill_node(ir_node *irn) {
-       int      i;
-       ir_graph *irg;
+       ir_graph *irg = get_irn_irg(irn);
 
-       if (is_Bad(irn))
-               return;
+       assert(!is_Bad(irn));
 
-       irg = get_irn_irg(irn);
+#ifdef DEBUG_libfirm
+       {
+       int i, first;
+       first = 0 - ! is_Block(irn);
 
-       for (i = get_irn_arity(irn) - 1; i >= 0; --i) {
+       for (i = get_irn_arity(irn) - 1; i >= first; --i) {
                set_irn_n(irn, i, get_irg_bad(irg));
        }
+       }
+#endif
+
+       edges_node_deleted(irn, irg);
 }
 
 /* FIXME: not used. can be deleted? */