650       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
653       if (DemandedMask.countr_zero() >= ShiftAmt &&  in SimplifyDemandedUseBits()
655         Constant *LeftShiftAmtC = ConstantInt::get(VTy, ShiftAmt);  in SimplifyDemandedUseBits()
665       APInt DemandedMaskIn(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
670         DemandedMaskIn.setHighBits(ShiftAmt+1);  in SimplifyDemandedUseBits()
672         DemandedMaskIn.setHighBits(ShiftAmt);  in SimplifyDemandedUseBits()
679                              KnownBits::makeConstant(APInt(BitWidth, ShiftAmt)),  in SimplifyDemandedUseBits()
701       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
705       if (DemandedMask.countl_zero() >= ShiftAmt) {  in SimplifyDemandedUseBits()
721           Constant *RightShiftAmtC = ConstantInt::get(VTy, ShiftAmt);  in SimplifyDemandedUseBits()
733       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
740       Known.Zero.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
741       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
742       if (ShiftAmt)  in SimplifyDemandedUseBits()
743         Known.Zero.setHighBits(ShiftAmt);  // high bits known zero.  in SimplifyDemandedUseBits()
771       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
774       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
777       if (DemandedMask.countl_zero() <= ShiftAmt)  in SimplifyDemandedUseBits()
789           BitWidth, std::min(SignBits + ShiftAmt - 1, BitWidth)));  in SimplifyDemandedUseBits()
790       Known.Zero.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
791       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
795       assert(BitWidth > ShiftAmt && "Shift amount not saturated?");  in SimplifyDemandedUseBits()
796       if (Known.Zero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
803       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
983         uint64_t ShiftAmt = SA->urem(BitWidth);  in SimplifyDemandedUseBits()  local
985           ShiftAmt = BitWidth - ShiftAmt;  in SimplifyDemandedUseBits()
987         APInt DemandedMaskLHS(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
988         APInt DemandedMaskRHS(DemandedMask.shl(BitWidth - ShiftAmt));  in SimplifyDemandedUseBits()
1012         Known.Zero = LHSKnown.Zero.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
1013                      RHSKnown.Zero.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
1014         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
1015                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()