set_cur_block(start_block);
set_irg_start_block(res, start_block);
bad = new_ir_node(NULL, res, start_block, op_Bad, mode_T, 0, NULL);
set_cur_block(start_block);
set_irg_start_block(res, start_block);
bad = new_ir_node(NULL, res, start_block, op_Bad, mode_T, 0, NULL);