[APInt] Use operator<<= where possible. NFC

llvm-svn: 301104
This commit is contained in:
Craig Topper 2017-04-23 05:43:02 +00:00
parent 5f68af0806
commit cdd5ae6676
3 changed files with 5 additions and 5 deletions
llvm/lib

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@ -2323,8 +2323,8 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero,
if (const APInt *ShAmt = getValidShiftAmountConstant(Op)) { if (const APInt *ShAmt = getValidShiftAmountConstant(Op)) {
computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, DemandedElts, computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, DemandedElts,
Depth + 1); Depth + 1);
KnownZero = KnownZero << *ShAmt; KnownZero <<= *ShAmt;
KnownOne = KnownOne << *ShAmt; KnownOne <<= *ShAmt;
// Low bits are known zero. // Low bits are known zero.
KnownZero.setLowBits(ShAmt->getZExtValue()); KnownZero.setLowBits(ShAmt->getZExtValue());
} }

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@ -1714,7 +1714,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1,
bestWidth = width; bestWidth = width;
break; break;
} }
newMask = newMask << width; newMask <<= width;
} }
} }
} }

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@ -26717,8 +26717,8 @@ void X86TargetLowering::computeKnownBitsForTargetNode(const SDValue Op,
DAG.computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, Depth + 1); DAG.computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, Depth + 1);
unsigned ShAmt = ShiftImm->getZExtValue(); unsigned ShAmt = ShiftImm->getZExtValue();
if (Opc == X86ISD::VSHLI) { if (Opc == X86ISD::VSHLI) {
KnownZero = KnownZero << ShAmt; KnownZero <<= ShAmt;
KnownOne = KnownOne << ShAmt; KnownOne <<= ShAmt;
// Low bits are known zero. // Low bits are known zero.
KnownZero.setLowBits(ShAmt); KnownZero.setLowBits(ShAmt);
} else { } else {