+ if (op_NoMem == get_irn_op (node)) {
+ /* We don't want to see it it if it's not memory */
+ return;
+ }
+
+ if (iro_Proj == op) {
+ /* We don't want to see proj nodes at all --- skip over them */
+ in = get_Proj_pred (node);
+
+ irg_walk_mem_node (in, walk_env);
+
+ return;
+ }
+
+ /* execute the 'pre' function */