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));
    return is_signed_ ? q_value.getSExtValue() : q_value.getZExtValue();
  }