53   unsigned BitWidth = Inst.getType()->getScalarSizeInBits();  in SimplifyDemandedInstructionBits()  local
54   APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);  in SimplifyDemandedInstructionBits()
55   APInt DemandedMask(APInt::getAllOnesValue(BitWidth));  in SimplifyDemandedInstructionBits()
105   uint32_t BitWidth = DemandedMask.getBitWidth();  in SimplifyDemandedUseBits()  local
109   assert((!TD || TD->getTypeSizeInBits(VTy->getScalarType()) == BitWidth) &&  in SimplifyDemandedUseBits()
111           VTy->getScalarSizeInBits() == BitWidth) &&  in SimplifyDemandedUseBits()
112          KnownZero.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
113          KnownOne.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
140   APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
141   APInt RHSKnownZero(BitWidth, 0), RHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
214     DemandedMask = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
390     DemandedMask = DemandedMask.trunc(BitWidth);  in SimplifyDemandedUseBits()
391     KnownZero = KnownZero.trunc(BitWidth);  in SimplifyDemandedUseBits()
392     KnownOne = KnownOne.trunc(BitWidth);  in SimplifyDemandedUseBits()
428     DemandedMask = DemandedMask.zext(BitWidth);  in SimplifyDemandedUseBits()
429     KnownZero = KnownZero.zext(BitWidth);  in SimplifyDemandedUseBits()
430     KnownOne = KnownOne.zext(BitWidth);  in SimplifyDemandedUseBits()
433     KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth);  in SimplifyDemandedUseBits()
441                               APInt::getLowBitsSet(BitWidth, SrcBitWidth);  in SimplifyDemandedUseBits()
443     APInt NewBits(APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth));  in SimplifyDemandedUseBits()
455     InputDemandedBits = InputDemandedBits.zext(BitWidth);  in SimplifyDemandedUseBits()
456     KnownZero = KnownZero.zext(BitWidth);  in SimplifyDemandedUseBits()
457     KnownOne = KnownOne.zext(BitWidth);  in SimplifyDemandedUseBits()
490       APInt InDemandedBits(APInt::getLowBitsSet(BitWidth, BitWidth - NLZ));  in SimplifyDemandedUseBits()
539       if (DemandedMask[BitWidth-1] == 0) {  in SimplifyDemandedUseBits()
542         APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
555     if (DemandedMask[BitWidth-1] == 0) {  in SimplifyDemandedUseBits()
559       APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
583       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
589         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in SimplifyDemandedUseBits()
591         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
601         KnownZero |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
607       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
615         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
625         APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
648       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
655         DemandedMaskIn.setBit(BitWidth-1);  in SimplifyDemandedUseBits()
660         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
667       APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
672       APInt SignBit(APInt::getSignBit(BitWidth));  in SimplifyDemandedUseBits()
678       if (BitWidth <= ShiftAmt || KnownZero[BitWidth-ShiftAmt-1] ||   in SimplifyDemandedUseBits()
702         APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);  in SimplifyDemandedUseBits()
713         if (LHSKnownZero[BitWidth-1] || ((LHSKnownZero & LowBits) == LowBits))  in SimplifyDemandedUseBits()
718         if (LHSKnownOne[BitWidth-1] && ((LHSKnownOne & LowBits) != 0))  in SimplifyDemandedUseBits()
728       APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
736     APInt KnownZero2(BitWidth, 0), KnownOne2(BitWidth, 0);  in SimplifyDemandedUseBits()
737     APInt AllOnes = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
747     KnownZero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask;  in SimplifyDemandedUseBits()
766         if (BitWidth-NLZ-NTZ == 8) {  in SimplifyDemandedUseBits()
768           unsigned InputBit = BitWidth-NTZ-8;  in SimplifyDemandedUseBits()