+#if 0
+ /* If Block has only Bads as predecessors it's garbage. */
+ /* If Phi has only Bads as predecessors it's garbage. */
+ if (op == op_Block || op == op_Phi) {
+ for (i = 0; i < get_irn_arity(node); i++) {
+ if (!is_Bad(get_irn_n(node, i))) break;
+ }
+ if (i = get_irn_arity(node)) node = new_Bad();
+ }
+#endif