66   unsigned BitWidth = Inst.getType()->getScalarSizeInBits();  in SimplifyDemandedInstructionBits()  local
67   KnownBits Known(BitWidth);  in SimplifyDemandedInstructionBits()
68   APInt DemandedMask(APInt::getAllOnesValue(BitWidth));  in SimplifyDemandedInstructionBits()
122   uint32_t BitWidth = DemandedMask.getBitWidth();  in SimplifyDemandedUseBits()  local
125       (!VTy->isIntOrIntVectorTy() || VTy->getScalarSizeInBits() == BitWidth) &&  in SimplifyDemandedUseBits()
126       Known.getBitWidth() == BitWidth &&  in SimplifyDemandedUseBits()
153   KnownBits LHSKnown(BitWidth), RHSKnown(BitWidth);  in SimplifyDemandedUseBits()
369     Known = InputKnown.zextOrTrunc(BitWidth);  in SimplifyDemandedUseBits()
371     if (BitWidth > SrcBitWidth)  in SimplifyDemandedUseBits()
423     Known = InputKnown.sext(BitWidth);  in SimplifyDemandedUseBits()
434     APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
477       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
501       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
540       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
562           BitWidth, std::min(SignBits + ShiftAmt - 1, BitWidth)));  in SimplifyDemandedUseBits()
568       assert(BitWidth > ShiftAmt && "Shift amount not saturated?");  in SimplifyDemandedUseBits()
569       if (Known.Zero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
575       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
592           APInt::getHighBitsSet(BitWidth, BitWidth - RHSTrailingZeros);  in SimplifyDemandedUseBits()
598           BitWidth, LHSKnown.Zero.countLeadingOnes() + RHSTrailingZeros));  in SimplifyDemandedUseBits()
614         APInt Mask2 = LowBits | APInt::getSignMask(BitWidth);  in SimplifyDemandedUseBits()
647     KnownBits Known2(BitWidth);  in SimplifyDemandedUseBits()
648     APInt AllOnes = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
654     Known.Zero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask;  in SimplifyDemandedUseBits()
673         if (BitWidth-NLZ-NTZ == 8) {  in SimplifyDemandedUseBits()
675           unsigned InputBit = BitWidth-NTZ-8;  in SimplifyDemandedUseBits()
701         uint64_t ShiftAmt = SA->urem(BitWidth);  in SimplifyDemandedUseBits()
703           ShiftAmt = BitWidth - ShiftAmt;  in SimplifyDemandedUseBits()
706         APInt DemandedMaskRHS(DemandedMask.shl(BitWidth - ShiftAmt));  in SimplifyDemandedUseBits()
712                      RHSKnown.Zero.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
714                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
769   unsigned BitWidth = DemandedMask.getBitWidth();  in SimplifyMultipleUseDemandedBits()  local
772   KnownBits LHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
773   KnownBits RHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
915   unsigned BitWidth = Ty->getScalarSizeInBits();  in simplifyShrShlDemandedBits()  local
916   if (ShlOp1.uge(BitWidth) || ShrOp1.uge(BitWidth))  in simplifyShrShlDemandedBits()
926   APInt BitMask1(APInt::getAllOnesValue(BitWidth));  in simplifyShrShlDemandedBits()
927   APInt BitMask2(APInt::getAllOnesValue(BitWidth));  in simplifyShrShlDemandedBits()