Type etype = type.getElementType();
  Attribute result = {};
  if (mlir::isa<FloatType>(etype)) {
    result =
        BinaryFolder<mhlo::MulOp, FloatType, APFloat, std::multiplies<APFloat>>(
            &op);
  } else if (mlir::isa<IntegerType>(etype)) {
    result =
        BinaryFolder<mhlo::MulOp, IntegerType, APInt, std::multiplies<APSInt>>(
            &op);
  }
  if (result == Attribute()) return failure();