using OpConversionPattern::OpConversionPattern;

  LogicalResult matchAndRewrite(
      mhlo::ReduceOp reduce_op, OpAdaptor adaptor,
      ConversionPatternRewriter& rewriter) const final {
    if (failed(MatchReduceOpOperand(reduce_op))) return failure();

    if (failed(MatchBinaryReduceFunction<BinaryOp>(reduce_op.getBody())))
      return failure();

    auto operand = reduce_op.getInputs()[0];