570       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
573       if (DemandedMask.countTrailingZeros() >= ShiftAmt &&  in SimplifyDemandedUseBits()
575         Constant *LeftShiftAmtC = ConstantInt::get(VTy, ShiftAmt);  in SimplifyDemandedUseBits()
583       APInt DemandedMaskIn(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
588         DemandedMaskIn.setHighBits(ShiftAmt+1);  in SimplifyDemandedUseBits()
590         DemandedMaskIn.setHighBits(ShiftAmt);  in SimplifyDemandedUseBits()
598       Known.Zero <<= ShiftAmt;  in SimplifyDemandedUseBits()
599       Known.One  <<= ShiftAmt;  in SimplifyDemandedUseBits()
601       if (ShiftAmt)  in SimplifyDemandedUseBits()
602         Known.Zero.setLowBits(ShiftAmt);  in SimplifyDemandedUseBits()
633       uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
637       if (DemandedMask.countLeadingZeros() >= ShiftAmt) {  in SimplifyDemandedUseBits()
654           Constant *RightShiftAmtC = ConstantInt::get(VTy, ShiftAmt);  in SimplifyDemandedUseBits()
664       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
669         DemandedMaskIn.setLowBits(ShiftAmt);  in SimplifyDemandedUseBits()
674       Known.Zero.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
675       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
676       if (ShiftAmt)  in SimplifyDemandedUseBits()
677         Known.Zero.setHighBits(ShiftAmt);  // high bits known zero.  in SimplifyDemandedUseBits()
705       uint32_t ShiftAmt = SA->getLimitedValue(BitWidth-1);  in SimplifyDemandedUseBits()  local
708       APInt DemandedMaskIn(DemandedMask.shl(ShiftAmt));  in SimplifyDemandedUseBits()
711       if (DemandedMask.countLeadingZeros() <= ShiftAmt)  in SimplifyDemandedUseBits()
717         DemandedMaskIn.setLowBits(ShiftAmt);  in SimplifyDemandedUseBits()
725           BitWidth, std::min(SignBits + ShiftAmt - 1, BitWidth)));  in SimplifyDemandedUseBits()
726       Known.Zero.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
727       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
731       assert(BitWidth > ShiftAmt && "Shift amount not saturated?");  in SimplifyDemandedUseBits()
732       if (Known.Zero[BitWidth-ShiftAmt-1] ||  in SimplifyDemandedUseBits()
738       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
883         uint64_t ShiftAmt = SA->urem(BitWidth);  in SimplifyDemandedUseBits()  local
885           ShiftAmt = BitWidth - ShiftAmt;  in SimplifyDemandedUseBits()
887         APInt DemandedMaskLHS(DemandedMask.lshr(ShiftAmt));  in SimplifyDemandedUseBits()
888         APInt DemandedMaskRHS(DemandedMask.shl(BitWidth - ShiftAmt));  in SimplifyDemandedUseBits()
893         Known.Zero = LHSKnown.Zero.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
894                      RHSKnown.Zero.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
895         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
896                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()