/** Visit each node in the value table of a graph. */
void visit_all_identities(ir_graph *irg, irg_walk_func visit, void *env);
+/**
+ * Normalize a node by putting constants (and operands with larger
+ * node index) on the right (operator side).
+ *
+ * @param n The node to normalize
+ */
+void ir_normalize_node(ir_node *n);
+
ir_node *optimize_node(ir_node *n);
ir_node *optimize_in_place_2(ir_node *n);