629 ConstantRange ConstantRange::unionWith(const ConstantRange &CR,  in unionWith()  function in ConstantRange
638     return CR.unionWith(*this, Type);  in unionWith()
706   if (Result == inverse().unionWith(CR.inverse()).inverse())  in exactIntersectWith()
714   ConstantRange Result = unionWith(CR);  in exactUnionWith()
846                          UpperDiv.trunc(DstTySize)).unionWith(Union);  in truncate()
854                            UpperDiv.trunc(DstTySize)).unionWith(Union);  in truncate()
1168     return Res.intersectWith(unionWith(Other, Signed), Signed);  in smax()
1182     return Res.intersectWith(unionWith(Other, Unsigned), Unsigned);  in umax()
1196     return Res.intersectWith(unionWith(Other, Signed), Signed);  in smin()
1210     return Res.intersectWith(unionWith(Other, Unsigned), Unsigned);  in umin()
1277         PosRes = PosRes.unionWith(  in sdiv()
1292         PosRes = PosRes.unionWith(  in sdiv()
1297       PosRes = PosRes.unionWith(  in sdiv()
1310     NegRes = NegRes.unionWith(  in sdiv()
1315   ConstantRange Res = NegRes.unionWith(PosRes, PreferredRangeType::Signed);  in sdiv()
1319     Res = Res.unionWith(ConstantRange(Zero));  in sdiv()
1816     CR = CR.unionWith(ConstantRange(Low->getValue(), High->getValue()));  in getConstantRangeFromMetadata()