56   unsigned BitWidth = Inst.getType()->getScalarSizeInBits();  in SimplifyDemandedInstructionBits()  local
57   KnownBits Known(BitWidth);  in SimplifyDemandedInstructionBits()
58   APInt DemandedMask(APInt::getAllOnesValue(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()
397     Known = InputKnown.zextOrTrunc(BitWidth);  in SimplifyDemandedUseBits()
449     Known = InputKnown.sext(BitWidth);  in SimplifyDemandedUseBits()
497     APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));  in SimplifyDemandedUseBits()
540       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
577         APInt DemandedFromOp(APInt::getLowBitsSet(BitWidth, BitWidth - CTLZ));  in SimplifyDemandedUseBits()
591       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
632       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()
654           BitWidth, std::min(SignBits + ShiftAmt - 1, BitWidth)));  in SimplifyDemandedUseBits()
660       assert(BitWidth > ShiftAmt && "Shift amount not saturated?");  in SimplifyDemandedUseBits()
661       if (Known.Zero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
667       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
686           APInt::getHighBitsSet(BitWidth, BitWidth - RHSTrailingZeros);  in SimplifyDemandedUseBits()
692           BitWidth, LHSKnown.Zero.countLeadingOnes() + RHSTrailingZeros));  in SimplifyDemandedUseBits()
711         APInt Mask2 = LowBits | APInt::getSignMask(BitWidth);  in SimplifyDemandedUseBits()
745     KnownBits Known2(BitWidth);  in SimplifyDemandedUseBits()
746     APInt AllOnes = APInt::getAllOnesValue(BitWidth);  in SimplifyDemandedUseBits()
752     Known.Zero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask;  in SimplifyDemandedUseBits()
789         if (BitWidth-NLZ-NTZ == 8) {  in SimplifyDemandedUseBits()
791           unsigned InputBit = BitWidth-NTZ-8;  in SimplifyDemandedUseBits()
815         uint64_t ShiftAmt = SA->urem(BitWidth);  in SimplifyDemandedUseBits()
817           ShiftAmt = BitWidth - ShiftAmt;  in SimplifyDemandedUseBits()
820         APInt DemandedMaskRHS(DemandedMask.shl(BitWidth - ShiftAmt));  in SimplifyDemandedUseBits()
826                      RHSKnown.Zero.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
828                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
862   unsigned BitWidth = DemandedMask.getBitWidth();  in SimplifyMultipleUseDemandedBits()  local
865   KnownBits LHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
866   KnownBits RHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()
962     unsigned BitWidth = DemandedMask.getBitWidth();  in SimplifyMultipleUseDemandedBits()  local
965         ShiftLC == ShiftRC && ShiftLC->ult(BitWidth) &&  in SimplifyMultipleUseDemandedBits()
967             BitWidth, BitWidth - ShiftRC->getZExtValue()))) {  in SimplifyMultipleUseDemandedBits()
1013   unsigned BitWidth = Ty->getScalarSizeInBits();  in simplifyShrShlDemandedBits()  local
1014   if (ShlOp1.uge(BitWidth) || ShrOp1.uge(BitWidth))  in simplifyShrShlDemandedBits()
1024   APInt BitMask1(APInt::getAllOnesValue(BitWidth));  in simplifyShrShlDemandedBits()
1025   APInt BitMask2(APInt::getAllOnesValue(BitWidth));  in simplifyShrShlDemandedBits()