208       KnownBits SpecificShift;  in shl()  local
209       SpecificShift.Zero = LHS.Zero << ShiftAmt;  in shl()
210       SpecificShift.One = LHS.One << ShiftAmt;  in shl()
211       Known = KnownBits::commonBits(Known, SpecificShift);  in shl()
261       KnownBits SpecificShift = LHS;  in lshr()  local
262       SpecificShift.Zero.lshrInPlace(ShiftAmt);  in lshr()
263       SpecificShift.One.lshrInPlace(ShiftAmt);  in lshr()
264       Known = KnownBits::commonBits(Known, SpecificShift);  in lshr()
319       KnownBits SpecificShift = LHS;  in ashr()  local
320       SpecificShift.Zero.ashrInPlace(ShiftAmt);  in ashr()
321       SpecificShift.One.ashrInPlace(ShiftAmt);  in ashr()
322       Known = KnownBits::commonBits(Known, SpecificShift);  in ashr()