56   unsigned BitWidth = Inst.getType()->getScalarSizeInBits();  in SimplifyDemandedInstructionBits()  local
57   KnownBits Known(BitWidth);  in SimplifyDemandedInstructionBits()
58   APInt DemandedMask(APInt::getAllOnes(BitWidth));  in SimplifyDemandedInstructionBits()
114   uint32_t BitWidth = DemandedMask.getBitWidth();  in SimplifyDemandedUseBits()  local
117       (!VTy->isIntOrIntVectorTy() || VTy->getScalarSizeInBits() == BitWidth) &&  in SimplifyDemandedUseBits()
118       Known.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
148   KnownBits LHSKnown(BitWidth), RHSKnown(BitWidth);  in SimplifyDemandedUseBits()
163     DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()
409     Known = InputKnown.zextOrTrunc(BitWidth);  in SimplifyDemandedUseBits()
460     Known = InputKnown.sext(BitWidth);  in SimplifyDemandedUseBits()
570       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
619         APInt DemandedFromOp(APInt::getLowBitsSet(BitWidth, BitWidth - CTLZ));  in SimplifyDemandedUseBits()
633       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
641             BitWidth - DemandedMask.countTrailingZeros();  in SimplifyDemandedUseBits()
688     unsigned NumHiDemandedBits = BitWidth - DemandedMask.countTrailingZeros();  in SimplifyDemandedUseBits()
705       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
725           BitWidth, std::min(SignBits + ShiftAmt - 1, BitWidth)));  in SimplifyDemandedUseBits()
731       assert(BitWidth > ShiftAmt && "Shift amount not saturated?");  in SimplifyDemandedUseBits()
732       if (Known.Zero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
738       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
757           APInt::getHighBitsSet(BitWidth, BitWidth - RHSTrailingZeros);  in SimplifyDemandedUseBits()
763           BitWidth, LHSKnown.Zero.countLeadingOnes() + RHSTrailingZeros));  in SimplifyDemandedUseBits()
782         APInt Mask2 = LowBits | APInt::getSignMask(BitWidth);  in SimplifyDemandedUseBits()
816     KnownBits Known2(BitWidth);  in SimplifyDemandedUseBits()
817     APInt AllOnes = APInt::getAllOnes(BitWidth);  in SimplifyDemandedUseBits()
823     Known.Zero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask;  in SimplifyDemandedUseBits()
860         if (BitWidth - NLZ - NTZ == 8) {  in SimplifyDemandedUseBits()
883         uint64_t ShiftAmt = SA->urem(BitWidth);  in SimplifyDemandedUseBits()
885           ShiftAmt = BitWidth - ShiftAmt;  in SimplifyDemandedUseBits()
888         APInt DemandedMaskRHS(DemandedMask.shl(BitWidth - ShiftAmt));  in SimplifyDemandedUseBits()
894                      RHSKnown.Zero.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
896                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
953   unsigned BitWidth = DemandedMask.getBitWidth();  in SimplifyMultipleUseDemandedBits()  local
956   KnownBits LHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
957   KnownBits RHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
1053     unsigned BitWidth = DemandedMask.getBitWidth();  in SimplifyMultipleUseDemandedBits()  local
1056         ShiftLC == ShiftRC && ShiftLC->ult(BitWidth) &&  in SimplifyMultipleUseDemandedBits()
1058             BitWidth, BitWidth - ShiftRC->getZExtValue()))) {  in SimplifyMultipleUseDemandedBits()
1104   unsigned BitWidth = Ty->getScalarSizeInBits();  in simplifyShrShlDemandedBits()  local
1105   if (ShlOp1.uge(BitWidth) || ShrOp1.uge(BitWidth))  in simplifyShrShlDemandedBits()
1115   APInt BitMask1(APInt::getAllOnes(BitWidth));  in simplifyShrShlDemandedBits()
1116   APInt BitMask2(APInt::getAllOnes(BitWidth));  in simplifyShrShlDemandedBits()