Lines Matching defs:KnownZero

2982   APInt KnownUndef, KnownZero;
2984       SimplifyDemandedVectorElts(Op, DemandedElts, KnownUndef, KnownZero, TLO);
3043     APInt &KnownZero, TargetLoweringOpt &TLO, unsigned Depth,
3051   KnownUndef = KnownZero = APInt::getZero(NumElts);
3125         APInt SrcZero = KnownZero.zextOrTrunc(NumSrcElts);
3147                                         KnownZero, TLO, Depth + 1);
3188               KnownZero.setBit(Elt);
3198             KnownZero.setBits(i * Scale, (i + 1) * Scale);
3220             KnownZero.setBit(i);
3267         KnownZero.setBit(i);
3284       KnownZero.insertBits(SubZero, i * NumSubElts);
3329     if (SimplifyDemandedVectorElts(Src, DemandedSrcElts, KnownUndef, KnownZero,
3333     KnownZero.insertBits(SubZero, Idx);
3365     KnownZero = SrcZero.extractBits(NumElts, Idx);
3394                                      KnownZero, TLO, Depth + 1))
3399       KnownZero.setBitVal(Idx, isNullConstant(Scl) || isNullFPConstant(Scl));
3407     // Without knowing the insertion index we can't set KnownUndef/KnownZero.
3435     KnownZero = ZeroLHS & ZeroRHS;
3439     APInt DemandedSel = DemandedElts & ~KnownZero;
3511           KnownZero.setBit(i);
3516           KnownZero.setBit(i);
3531     KnownZero = SrcZero.zextOrTrunc(NumElts);
3606     KnownZero = ZeroLHS & ZeroRHS;
3633     KnownZero = ZeroLHS;
3657     if (SimplifyDemandedVectorElts(Op0, DemandedElts0, KnownUndef, KnownZero,
3662     KnownZero &= DemandedElts0;
3667     if (DemandedElts.isSubsetOf(SrcZero | KnownZero | SrcUndef | KnownUndef))
3674     KnownZero |= SrcZero;
3676     KnownUndef &= ~KnownZero;
3688                                    KnownZero, TLO, Depth + 1))
3701                                                   KnownZero, TLO, Depth))
3713   assert((KnownUndef & KnownZero) == 0 && "Elements flagged as undef AND zero");
3780     SDValue Op, const APInt &DemandedElts, APInt &KnownUndef, APInt &KnownZero,