APFloat fixed_point = llvm::minimum(scaled, clamp_max_);
    fixed_point = llvm::maximum(fixed_point, clamp_min_);

    llvm::APSInt result(storage_bit_width_, !is_signed_);
    fixed_point.convertToInteger(result, round_mode_, &lossy);

    return std::move(result);
  }

  int64_t quantizeFloatToInt64(APFloat expressed_value) const {
    const APInt q_value = quantizeFloatToInt(std::move(expressed_value));

              .mapValues(rewriter.getI8Type(), [](const APFloat& val) -> APInt {
                APSInt convertedInt(/*BitWidth=*/8, /*isUnsigned=*/false);
                bool ignored;
                val.convertToInteger(convertedInt, APFloat::rmTowardZero,
                                     &ignored);
                return convertedInt;
              });
    } else if (isa<stablehlo::ConvertOp>(filter_op) &&