2728   APInt KnownUndef, KnownZero;  in SimplifyDemandedVectorElts()  local
2730       SimplifyDemandedVectorElts(Op, DemandedElts, KnownUndef, KnownZero, TLO);  in SimplifyDemandedVectorElts()
2770   APInt KnownUndef = APInt::getZero(NumElts);  in getKnownUndefForVectorBinop()  local
2782         KnownUndef.setBit(i);  in getKnownUndefForVectorBinop()
2784   return KnownUndef;  in getKnownUndefForVectorBinop()
2788     SDValue Op, const APInt &OriginalDemandedElts, APInt &KnownUndef,  in SimplifyDemandedVectorElts()  argument
2797   KnownUndef = KnownZero = APInt::getZero(NumElts);  in SimplifyDemandedVectorElts()
2812     KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
2822     KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
2852       KnownUndef.setAllBits();  in SimplifyDemandedVectorElts()
2869         APInt SrcUndef = KnownUndef.zextOrTrunc(NumSrcElts);  in SimplifyDemandedVectorElts()
2876     KnownUndef.setHighBits(NumElts - 1);  in SimplifyDemandedVectorElts()
2891       return SimplifyDemandedVectorElts(Src, DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
2945             KnownUndef.setBits(i * Scale, (i + 1) * Scale);  in SimplifyDemandedVectorElts()
2967             KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
2984             KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
2995         KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3014       KnownUndef.insertBits(SubUndef, i * NumSubElts);  in SimplifyDemandedVectorElts()
3060     if (SimplifyDemandedVectorElts(Src, DemandedSrcElts, KnownUndef, KnownZero,  in SimplifyDemandedVectorElts()
3063     KnownUndef.insertBits(SubUndef, Idx);  in SimplifyDemandedVectorElts()
3095     KnownUndef = SrcUndef.extractBits(NumElts, Idx);  in SimplifyDemandedVectorElts()
3124       if (SimplifyDemandedVectorElts(Vec, DemandedVecElts, KnownUndef,  in SimplifyDemandedVectorElts()
3128       KnownUndef.setBitVal(Idx, Scl.isUndef());  in SimplifyDemandedVectorElts()
3165     KnownUndef = UndefLHS & UndefRHS;  in SimplifyDemandedVectorElts()
3236         KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3239           KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3244           KnownUndef.setBit(i);  in SimplifyDemandedVectorElts()
3262     KnownUndef = SrcUndef.zextOrTrunc(NumElts);  in SimplifyDemandedVectorElts()
3273       if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3275       KnownUndef.clearAllBits();  in SimplifyDemandedVectorElts()
3333     KnownUndef = getKnownUndefForVectorBinop(Op, TLO.DAG, UndefLHS, UndefRHS);  in SimplifyDemandedVectorElts()
3360     KnownUndef = UndefLHS & UndefRHS; // TODO: use getKnownUndefForVectorBinop?  in SimplifyDemandedVectorElts()
3378     if (SimplifyDemandedVectorElts(Op0, DemandedElts, KnownUndef, KnownZero,  in SimplifyDemandedVectorElts()
3385     if (DemandedElts.isSubsetOf(SrcZero | KnownZero | SrcUndef | KnownUndef))  in SimplifyDemandedVectorElts()
3393     KnownUndef &= SrcUndef;  in SimplifyDemandedVectorElts()
3394     KnownUndef &= ~KnownZero;  in SimplifyDemandedVectorElts()
3405     if (SimplifyDemandedVectorElts(Op.getOperand(0), DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
3411       if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3413       KnownUndef.clearAllBits();  in SimplifyDemandedVectorElts()
3418       if (SimplifyDemandedVectorEltsForTargetNode(Op, DemandedElts, KnownUndef,  in SimplifyDemandedVectorElts()
3431   assert((KnownUndef & KnownZero) == 0 && "Elements flagged as undef AND zero");  in SimplifyDemandedVectorElts()
3435   if (DemandedElts.isSubsetOf(KnownUndef))  in SimplifyDemandedVectorElts()
3498     SDValue Op, const APInt &DemandedElts, APInt &KnownUndef, APInt &KnownZero,  in SimplifyDemandedVectorEltsForTargetNode()  argument