int operand_idx = use->getOperandNumber();
        auto execute_results = execute.GetRegionOutputs(
            device_return->getParentRegion()->getRegionNumber());
        if (operand_idx >= execute_results.size()) return nullptr;

        auto result_from_use = execute_results[operand_idx];
        if (!result_from_use.hasOneUse()) return nullptr;