567       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
568       APInt DemandedMaskIn(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
573         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in SimplifyDemandedUseBits()
575         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
581       KnownZero <<= ShiftAmt;  in SimplifyDemandedUseBits()
582       KnownOne  <<= ShiftAmt;  in SimplifyDemandedUseBits()
584       if (ShiftAmt)  in SimplifyDemandedUseBits()
585         KnownZero |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
591       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
594       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
599         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
605       KnownZero = APIntOps::lshr(KnownZero, ShiftAmt);  in SimplifyDemandedUseBits()
606       KnownOne  = APIntOps::lshr(KnownOne, ShiftAmt);  in SimplifyDemandedUseBits()
607       if (ShiftAmt) {  in SimplifyDemandedUseBits()
609         APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
632       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
635       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
638       if (DemandedMask.countLeadingZeros() <= ShiftAmt)  in SimplifyDemandedUseBits()
644         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
651       APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
652       KnownZero = APIntOps::lshr(KnownZero, ShiftAmt);  in SimplifyDemandedUseBits()
653       KnownOne  = APIntOps::lshr(KnownOne, ShiftAmt);  in SimplifyDemandedUseBits()
658       SignBit = APIntOps::lshr(SignBit, ShiftAmt);  in SimplifyDemandedUseBits()
662       if (BitWidth <= ShiftAmt || KnownZero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()