diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 003ea5030bf..8c677d901e4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2330,8 +2330,8 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero, if (const APInt *ShAmt = getValidShiftAmountConstant(Op)) { computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, DemandedElts, Depth + 1); - KnownZero = KnownZero.lshr(*ShAmt); - KnownOne = KnownOne.lshr(*ShAmt); + KnownZero.lshrInPlace(*ShAmt); + KnownOne.lshrInPlace(*ShAmt); // High bits are known zero. KnownZero.setHighBits(ShAmt->getZExtValue()); } @@ -2340,12 +2340,12 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero, if (const APInt *ShAmt = getValidShiftAmountConstant(Op)) { computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, DemandedElts, Depth + 1); - KnownZero = KnownZero.lshr(*ShAmt); - KnownOne = KnownOne.lshr(*ShAmt); + KnownZero.lshrInPlace(*ShAmt); + KnownOne.lshrInPlace(*ShAmt); // If we know the value of the sign bit, then we know it is copied across // the high bits by the shift amount. APInt SignBit = APInt::getSignBit(BitWidth); - SignBit = SignBit.lshr(*ShAmt); // Adjust to where it is now in the mask. + SignBit.lshrInPlace(*ShAmt); // Adjust to where it is now in the mask. if (KnownZero.intersects(SignBit)) { KnownZero.setHighBits(ShAmt->getZExtValue());// New bits are known zero. } else if (KnownOne.intersects(SignBit)) { |
