569 ConstantRange ConstantRange::unionWith(const ConstantRange &CR,  in unionWith()  function in ConstantRange
578     return CR.unionWith(*this, Type);  in unionWith()
760                          UpperDiv.trunc(DstTySize)).unionWith(Union);  in truncate()
768                            UpperDiv.trunc(DstTySize)).unionWith(Union);  in truncate()
1157         PosRes = PosRes.unionWith(  in sdiv()
1172         PosRes = PosRes.unionWith(  in sdiv()
1177       PosRes = PosRes.unionWith(  in sdiv()
1190     NegRes = NegRes.unionWith(  in sdiv()
1195   ConstantRange Res = NegRes.unionWith(PosRes, PreferredRangeType::Signed);  in sdiv()
1199     Res = Res.unionWith(ConstantRange(Zero));  in sdiv()
1686     CR = CR.unionWith(ConstantRange(Low->getValue(), High->getValue()));  in getConstantRangeFromMetadata()