566       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
567       APInt DemandedMaskIn(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
572         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in SimplifyDemandedUseBits()
574         DemandedMaskIn |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
580       KnownZero <<= ShiftAmt;  in SimplifyDemandedUseBits()
581       KnownOne  <<= ShiftAmt;  in SimplifyDemandedUseBits()
583       if (ShiftAmt)  in SimplifyDemandedUseBits()
584         KnownZero |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
590       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
593       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
598         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
604       KnownZero = APIntOps::lshr(KnownZero, ShiftAmt);  in SimplifyDemandedUseBits()
605       KnownOne  = APIntOps::lshr(KnownOne, ShiftAmt);  in SimplifyDemandedUseBits()
606       if (ShiftAmt) {  in SimplifyDemandedUseBits()
608         APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
631       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
634       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
637       if (DemandedMask.countLeadingZeros() <= ShiftAmt)  in SimplifyDemandedUseBits()
643         DemandedMaskIn |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in SimplifyDemandedUseBits()
650       APInt HighBits(APInt::getHighBitsSet(BitWidth, ShiftAmt));  in SimplifyDemandedUseBits()
651       KnownZero = APIntOps::lshr(KnownZero, ShiftAmt);  in SimplifyDemandedUseBits()
652       KnownOne  = APIntOps::lshr(KnownOne, ShiftAmt);  in SimplifyDemandedUseBits()
657       SignBit = APIntOps::lshr(SignBit, ShiftAmt);  in SimplifyDemandedUseBits()
661       if (BitWidth <= ShiftAmt || KnownZero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()