X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbetranshlp.c;h=20551c2fdfb1c89634401b1ca8b4598d249687c2;hb=89dc24503c04139bb05504059b291d6d89f99661;hp=b7cb2718eb8a106ac75e1b169cfc4af0c2a09e47;hpb=0b467e3b07b158f9502731231653bf3ef933524c;p=libfirm

diff --git a/ir/be/betranshlp.c b/ir/be/betranshlp.c
index b7cb2718e..20551c2fd 100644
--- a/ir/be/betranshlp.c
+++ b/ir/be/betranshlp.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -65,8 +65,12 @@ int be_is_transformed(const ir_node *node) {
 }
 
 static INLINE ir_node *be_get_transformed_node(ir_node *old_node) {
-	assert(irn_visited(old_node));
-	return (ir_node*) get_irn_link(old_node);
+	if (irn_visited(old_node)) {
+		ir_node *new_node = get_irn_link(old_node);
+		assert(new_node != NULL);
+		return new_node;
+	}
+	return NULL;
 }
 
 void be_duplicate_deps(ir_node *old_node, ir_node *new_node) {
@@ -122,14 +126,11 @@ ir_node *be_duplicate_node(ir_node *node) {
  * Calls transformation function for given node and marks it visited.
  */
 ir_node *be_transform_node(ir_node *node) {
-	ir_node *new_node;
 	ir_op   *op;
+	ir_node *new_node = be_get_transformed_node(node);
 
-	if (irn_visited(node)) {
-		new_node = be_get_transformed_node(node);
-		assert(new_node != NULL);
+	if (new_node != NULL)
 		return new_node;
-	}
 
 	mark_irn_visited(node);
 	DEBUG_ONLY(be_set_transformed_node(node, NULL));