54   unsigned BitWidth = Inst.getType()->getScalarSizeInBits();  in SimplifyDemandedInstructionBits()  local
55   APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);  in SimplifyDemandedInstructionBits()
56   APInt DemandedMask(APInt::getAllOnesValue(BitWidth));  in SimplifyDemandedInstructionBits()
106   uint32_t BitWidth = DemandedMask.getBitWidth();  in SimplifyDemandedUseBits()  local
110   assert((!TD || TD->getTypeSizeInBits(VTy->getScalarType()) == BitWidth) &&  in SimplifyDemandedUseBits()
112           VTy->getScalarSizeInBits() == BitWidth) &&  in SimplifyDemandedUseBits()
113          KnownZero.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
114          KnownOne.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
141   APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
142   APInt RHSKnownZero(BitWidth, 0), RHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
228     DemandedMask = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
404     DemandedMask = DemandedMask.trunc(BitWidth);  in SimplifyDemandedUseBits()
405     KnownZero = KnownZero.trunc(BitWidth);  in SimplifyDemandedUseBits()
406     KnownOne = KnownOne.trunc(BitWidth);  in SimplifyDemandedUseBits()
442     DemandedMask = DemandedMask.zext(BitWidth);  in SimplifyDemandedUseBits()
443     KnownZero = KnownZero.zext(BitWidth);  in SimplifyDemandedUseBits()
444     KnownOne = KnownOne.zext(BitWidth);  in SimplifyDemandedUseBits()
447     KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth);  in SimplifyDemandedUseBits()
455                               APInt::getLowBitsSet(BitWidth, SrcBitWidth);  in SimplifyDemandedUseBits()
457     APInt NewBits(APInt::getHighBitsSet(BitWidth, BitWidth - SrcBitWidth));  in SimplifyDemandedUseBits()
469     InputDemandedBits = InputDemandedBits.zext(BitWidth);  in SimplifyDemandedUseBits()
470     KnownZero = KnownZero.zext(BitWidth);  in SimplifyDemandedUseBits()
471     KnownOne = KnownOne.zext(BitWidth);  in SimplifyDemandedUseBits()
504       APInt InDemandedBits(APInt::getLowBitsSet(BitWidth, BitWidth - NLZ));  in SimplifyDemandedUseBits()
553       if (DemandedMask[BitWidth-1] == 0) {  in SimplifyDemandedUseBits()
556         APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
569     if (DemandedMask[BitWidth-1] == 0) {  in SimplifyDemandedUseBits()
573       APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
608       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
614         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in SimplifyDemandedUseBits()
616         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
626         KnownZero |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
632       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
640         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
650         APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
673       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
680         DemandedMaskIn.setBit(BitWidth-1);  in SimplifyDemandedUseBits()
685         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
692       APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
697       APInt SignBit(APInt::getSignBit(BitWidth));  in SimplifyDemandedUseBits()
703       if (BitWidth <= ShiftAmt || KnownZero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
727         APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);  in SimplifyDemandedUseBits()
738         if (LHSKnownZero[BitWidth-1] || ((LHSKnownZero & LowBits) == LowBits))  in SimplifyDemandedUseBits()
743         if (LHSKnownOne[BitWidth-1] && ((LHSKnownOne & LowBits) != 0))  in SimplifyDemandedUseBits()
753       APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()
761     APInt KnownZero2(BitWidth, 0), KnownOne2(BitWidth, 0);  in SimplifyDemandedUseBits()
762     APInt AllOnes = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
772     KnownZero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask;  in SimplifyDemandedUseBits()
791         if (BitWidth-NLZ-NTZ == 8) {  in SimplifyDemandedUseBits()
793           unsigned InputBit = BitWidth-NTZ-8;  in SimplifyDemandedUseBits()
854   unsigned BitWidth = Ty->getIntegerBitWidth();  in SimplifyShrShlDemandedBits()  local
855   if (ShlOp1.uge(BitWidth) || ShrOp1.uge(BitWidth))  in SimplifyShrShlDemandedBits()
865   APInt BitMask1(APInt::getAllOnesValue(BitWidth));  in SimplifyShrShlDemandedBits()
866   APInt BitMask2(APInt::getAllOnesValue(BitWidth));  in SimplifyShrShlDemandedBits()