848   unsigned ShlAmt = ShlOp1.getZExtValue();  in SimplifyShrShlDemandedBits()  local
852   KnownZero = APInt::getBitsSet(KnownZero.getBitWidth(), 0, ShlAmt-1);  in SimplifyShrShlDemandedBits()
859   BitMask1 = isLshr ? (BitMask1.lshr(ShrAmt) << ShlAmt) :  in SimplifyShrShlDemandedBits()
860                       (BitMask1.ashr(ShrAmt) << ShlAmt);  in SimplifyShrShlDemandedBits()
862   if (ShrAmt <= ShlAmt) {  in SimplifyShrShlDemandedBits()
863     BitMask2 <<= (ShlAmt - ShrAmt);  in SimplifyShrShlDemandedBits()
865     BitMask2 = isLshr ? BitMask2.lshr(ShrAmt - ShlAmt):  in SimplifyShrShlDemandedBits()
866                         BitMask2.ashr(ShrAmt - ShlAmt);  in SimplifyShrShlDemandedBits()
871     if (ShrAmt == ShlAmt)  in SimplifyShrShlDemandedBits()
878     if (ShrAmt < ShlAmt) {  in SimplifyShrShlDemandedBits()
879       Constant *Amt = ConstantInt::get(VarX->getType(), ShlAmt - ShrAmt);  in SimplifyShrShlDemandedBits()
885       Constant *Amt = ConstantInt::get(VarX->getType(), ShrAmt - ShlAmt);  in SimplifyShrShlDemandedBits()