diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 2756e276c6a..ce892eb3ec1 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -929,8 +929,8 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op, KnownZero, KnownOne, TLO, Depth+1)) return true; assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"); - KnownZero = KnownZero.lshr(ShAmt); - KnownOne = KnownOne.lshr(ShAmt); + KnownZero.lshrInPlace(ShAmt); + KnownOne.lshrInPlace(ShAmt); KnownZero.setHighBits(ShAmt); // High bits known zero. } @@ -970,8 +970,8 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op, KnownZero, KnownOne, TLO, Depth+1)) return true; assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"); - KnownZero = KnownZero.lshr(ShAmt); - KnownOne = KnownOne.lshr(ShAmt); + KnownZero.lshrInPlace(ShAmt); + KnownOne.lshrInPlace(ShAmt); // Handle the sign bit, adjusted to where it is now in the mask. APInt SignBit = APInt::getSignBit(BitWidth).lshr(ShAmt); @@ -1207,7 +1207,8 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op, APInt HighBits = APInt::getHighBitsSet(OperandBitWidth, OperandBitWidth - BitWidth); - HighBits = HighBits.lshr(ShAmt->getZExtValue()).trunc(BitWidth); + HighBits.lshrInPlace(ShAmt->getZExtValue()); + HighBits = HighBits.trunc(BitWidth); if (ShAmt->getZExtValue() < BitWidth && !(HighBits & NewMask)) { // None of the shifted in bits are needed. Add a truncate of the @@ -2055,7 +2056,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, } else { ShiftBits = C1.countTrailingZeros(); } - NewC = NewC.lshr(ShiftBits); + NewC.lshrInPlace(ShiftBits); if (ShiftBits && NewC.getMinSignedBits() <= 64 && isLegalICmpImmediate(NewC.getSExtValue())) { auto &DL = DAG.getDataLayout(); |
