493     Known.Zero = ~Known.One;  in SimplifyDemandedBits()
523     Known.Zero.setAllBits(); Known.One.setAllBits();  in SimplifyDemandedBits()
531       Known2.Zero = ~Known2.One;  in SimplifyDemandedBits()
543       Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
547     Known.Zero.setAllBits();  in SimplifyDemandedBits()
561         Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
591       Known.Zero.setAllBits();  in SimplifyDemandedBits()
598         Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
605         Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
622       if ((LHSKnown.Zero & DemandedBits) ==  in SimplifyDemandedBits()
628       if (ShrinkDemandedConstant(Op, ~LHSKnown.Zero & DemandedBits, TLO))  in SimplifyDemandedBits()
646     if (SimplifyDemandedBits(Op0, ~Known.Zero & DemandedBits, DemandedElts, Known2, TLO,  in SimplifyDemandedBits()
653     if (DemandedBits.isSubsetOf(Known2.Zero | Known.One))  in SimplifyDemandedBits()
655     if (DemandedBits.isSubsetOf(Known.Zero | Known2.One))  in SimplifyDemandedBits()
658     if (DemandedBits.isSubsetOf(Known.Zero | Known2.Zero))  in SimplifyDemandedBits()
661     if (ShrinkDemandedConstant(Op, ~Known2.Zero & DemandedBits, TLO))  in SimplifyDemandedBits()
670     Known.Zero |= Known2.Zero;  in SimplifyDemandedBits()
687     if (DemandedBits.isSubsetOf(Known2.One | Known.Zero))  in SimplifyDemandedBits()
689     if (DemandedBits.isSubsetOf(Known.One | Known2.Zero))  in SimplifyDemandedBits()
699     Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
717     if (DemandedBits.isSubsetOf(Known.Zero))  in SimplifyDemandedBits()
719     if (DemandedBits.isSubsetOf(Known2.Zero))  in SimplifyDemandedBits()
728     if (DemandedBits.isSubsetOf(Known.Zero | Known2.Zero))  in SimplifyDemandedBits()
732     KnownOut.Zero = (Known.Zero & Known2.Zero) | (Known.One & Known2.One);  in SimplifyDemandedBits()
734     KnownOut.One = (Known.Zero & Known2.One) | (Known.One & Known2.Zero);  in SimplifyDemandedBits()
782     Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
800     Known.Zero &= Known2.Zero;  in SimplifyDemandedBits()
827       Known.Zero.setBitsFrom(1);  in SimplifyDemandedBits()
911       Known.Zero <<= ShAmt;  in SimplifyDemandedBits()
914       Known.Zero.setLowBits(ShAmt);  in SimplifyDemandedBits()
963       Known.Zero.lshrInPlace(ShAmt);  in SimplifyDemandedBits()
966       Known.Zero.setHighBits(ShAmt); // High bits known zero.  in SimplifyDemandedBits()
1002       Known.Zero.lshrInPlace(ShAmt);  in SimplifyDemandedBits()
1007       if (Known.Zero[BitWidth - ShAmt - 1] ||  in SimplifyDemandedBits()
1072     if (Known.Zero[ExVTBits - 1])  in SimplifyDemandedBits()
1079       Known.Zero &= Mask;  in SimplifyDemandedBits()
1081       Known.Zero &= Mask;  in SimplifyDemandedBits()
1101     Known.Zero = KnownLo.Zero.zext(BitWidth) |  in SimplifyDemandedBits()
1102                 KnownHi.Zero.zext(BitWidth).shl(HalfBitWidth);  in SimplifyDemandedBits()
1121     Known.Zero.setBitsFrom(InBits);  in SimplifyDemandedBits()
1242     Known.Zero |= ~InMask;  in SimplifyDemandedBits()
1400   if (DemandedBits.isSubsetOf(Known.Zero | Known.One)) {  in SimplifyDemandedBits()
1909     Known.Zero.setLowBits(Log2_32(Align));  in computeKnownBitsForFrameIndex()
2074   SDValue Zero = DAG.getConstant(0, DL, OpVT);  in simplifySetCCWithAnd()  local
2083       return DAG.getSetCC(DL, VT, N0, Zero, Cond);  in simplifySetCCWithAnd()
2100     return DAG.getSetCC(DL, VT, NewAnd, Zero, Cond);  in simplifySetCCWithAnd()
2251         SDValue Zero = DAG.getConstant(0, dl, N0.getValueType());  in SimplifySetCC()  local
2253                             Zero, Cond);  in SimplifySetCC()
4083         SDValue Zero = DAG.getConstant(0, dl, HiLoVT);  in expandMUL_LOHI()  local
4084         Result.push_back(Zero);  in expandMUL_LOHI()
4085         Result.push_back(Zero);  in expandMUL_LOHI()
4157   SDValue Zero = DAG.getConstant(0, dl, HiLoVT);  in expandMUL_LOHI()  local
4177     Hi = DAG.getNode(ISD::ADDE, dl, DAG.getVTList(HiLoVT, MVT::Glue), Hi, Zero,  in expandMUL_LOHI()
4181                      Zero, Carry);  in expandMUL_LOHI()
4188     Next = DAG.getSelectCC(dl, LH, Zero, NextSub, Next, ISD::SETLT);  in expandMUL_LOHI()
4192     Next = DAG.getSelectCC(dl, RH, Zero, NextSub, Next, ISD::SETLT);  in expandMUL_LOHI()
4239   SDValue Zero = DAG.getConstant(0, DL, ShVT);  in expandFunnelShift()  local
4260   SDValue IsZeroShift = DAG.getSetCC(DL, CCVT, ShAmt, Zero, ISD::SETEQ);  in expandFunnelShift()
4630     SDValue Zero = DAG.getConstant(0, dl, VT);  in expandCTLZ()  local
4631     SDValue SrcIsZero = DAG.getSetCC(dl, SetCCVT, Op, Zero, ISD::SETEQ);  in expandCTLZ()
4682     SDValue Zero = DAG.getConstant(0, dl, VT);  in expandCTTZ()  local
4683     SDValue SrcIsZero = DAG.getSetCC(dl, SetCCVT, Op, Zero, ISD::SETEQ);  in expandCTTZ()
5332   SDValue Zero = DAG.getConstant(0, dl, ResultType);  in expandAddSubSat()  local
5351     SDValue SumNeg = DAG.getSetCC(dl, BoolVT, SumDiff, Zero, ISD::SETLT);  in expandAddSubSat()