220         upper_(kMaxInt),  in Range()
226         upper_(upper),  in Range()
230   int32_t upper() const { return upper_; }  in upper()
234     return new(zone) Range(kMinInt, upper_);  in CopyClearLower()
240     Range* result = new(zone) Range(lower_, upper_);  in Copy()
247   bool CanBeZero() const { return upper_ >= 0 && lower_ <= 0; }  in CanBeZero()
249   bool CanBePositive() const { return upper_ > 0; }  in CanBePositive()
250   bool Includes(int value) const { return lower_ <= value && upper_ >= value; }  in Includes()
252     return lower_ == kMinInt && upper_ == kMaxInt && CanBeMinusZero();  in IsMostGeneric()
255     return lower_ >= Smi::kMinValue && upper_ <= Smi::kMaxValue;  in IsInSmiRange()
259     upper_ = Min(upper_, Smi::kMaxValue);  in ClampToSmi()
285   int32_t upper_;  variable