/* Reminder: iterating ir_call iterates its parameters. */
foreach_iter(exec_list_iterator, iter, *ir) {
ir_variable *sig_param = (ir_variable *)sig_iter.get();
/* Reminder: iterating ir_call iterates its parameters. */
foreach_iter(exec_list_iterator, iter, *ir) {
ir_variable *sig_param = (ir_variable *)sig_iter.get();