foreach_iter(exec_list_iterator, iter, ir->actual_parameters) {
ir_variable *sig_param = (ir_variable *)sig_param_iter.get();
ir_instruction *ir = (ir_instruction *)iter.get();
foreach_iter(exec_list_iterator, iter, ir->actual_parameters) {
ir_variable *sig_param = (ir_variable *)sig_param_iter.get();
ir_instruction *ir = (ir_instruction *)iter.get();