2944   APInt KnownUndef, KnownZero;  in SimplifyDemandedVectorElts()  local
2946       SimplifyDemandedVectorElts(Op, DemandedElts, KnownUndef, KnownZero, TLO);  in SimplifyDemandedVectorElts()
2986   APInt KnownUndef = APInt::getZero(NumElts);  in getKnownUndefForVectorBinop()  local
2998         KnownUndef.setBit(i);  in getKnownUndefForVectorBinop()
3000   return KnownUndef;  in getKnownUndefForVectorBinop()
3004     SDValue Op, const APInt &OriginalDemandedElts, APInt &KnownUndef,  in SimplifyDemandedVectorElts()  argument
3013   KnownUndef = KnownZero = APInt::getZero(NumElts);  in SimplifyDemandedVectorElts()
3028     KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
3038     KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
3069       KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
3086         APInt SrcUndef = KnownUndef.zextOrTrunc(NumSrcElts);  in SimplifyDemandedVectorElts()
3093     KnownUndef.setHighBits(NumElts - 1);  in SimplifyDemandedVectorElts()
3108       return SimplifyDemandedVectorElts(Src, DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
3162             KnownUndef.setBits(i * Scale, (i + 1) * Scale);  in SimplifyDemandedVectorElts()
3184             KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3201             KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3212         KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3231       KnownUndef.insertBits(SubUndef, i * NumSubElts);  in SimplifyDemandedVectorElts()
3277     if (SimplifyDemandedVectorElts(Src, DemandedSrcElts, KnownUndef, KnownZero,  in SimplifyDemandedVectorElts()
3280     KnownUndef.insertBits(SubUndef, Idx);  in SimplifyDemandedVectorElts()
3312     KnownUndef = SrcUndef.extractBits(NumElts, Idx);  in SimplifyDemandedVectorElts()
3341       if (SimplifyDemandedVectorElts(Vec, DemandedVecElts, KnownUndef,  in SimplifyDemandedVectorElts()
3345       KnownUndef.setBitVal(Idx, Scl.isUndef());  in SimplifyDemandedVectorElts()
3382     KnownUndef = UndefLHS & UndefRHS;  in SimplifyDemandedVectorElts()
3454         KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3457           KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3462           KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3480     KnownUndef = SrcUndef.zextOrTrunc(NumElts);  in SimplifyDemandedVectorElts()
3491       if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3493       KnownUndef.clearAllBits();  in SimplifyDemandedVectorElts()
3551     KnownUndef = getKnownUndefForVectorBinop(Op, TLO.DAG, UndefLHS, UndefRHS);  in SimplifyDemandedVectorElts()
3578     KnownUndef = UndefLHS & UndefRHS; // TODO: use getKnownUndefForVectorBinop?  in SimplifyDemandedVectorElts()
3601     if (SimplifyDemandedVectorElts(Op0, DemandedElts0, KnownUndef, KnownZero,  in SimplifyDemandedVectorElts()
3605     KnownUndef &= DemandedElts0;  in SimplifyDemandedVectorElts()
3611     if (DemandedElts.isSubsetOf(SrcZero | KnownZero | SrcUndef | KnownUndef))  in SimplifyDemandedVectorElts()
3619     KnownUndef &= SrcUndef;  in SimplifyDemandedVectorElts()
3620     KnownUndef &= ~KnownZero;  in SimplifyDemandedVectorElts()
3631     if (SimplifyDemandedVectorElts(Op.getOperand(0), DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
3637       if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3639       KnownUndef.clearAllBits();  in SimplifyDemandedVectorElts()
3644       if (SimplifyDemandedVectorEltsForTargetNode(Op, DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
3657   assert((KnownUndef & KnownZero) == 0 && "Elements flagged as undef AND zero");  in SimplifyDemandedVectorElts()
3661   if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3724     SDValue Op, const APInt &DemandedElts, APInt &KnownUndef, APInt &KnownZero,  in SimplifyDemandedVectorEltsForTargetNode()  argument