exchange(mux, conv);
} else if (tarval_is_null(tv_t) && tarval_is_one(tv_f)) {
ir_node* not_ = new_r_Not(current_ir_graph, block, c, mode_b);
exchange(mux, conv);
} else if (tarval_is_null(tv_t) && tarval_is_one(tv_f)) {
ir_node* not_ = new_r_Not(current_ir_graph, block, c, mode_b);