-/**
- * Copies all filter attributes stored in old node to the new node
- */
-static void filter_copy_attr(ir_graph *irg, const ir_node *old_node,
- ir_node *new_node)
-{
- default_copy_attr(irg, old_node, new_node);
- new_node->attr.filter.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
-}
-