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remove extra breaks; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221374 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2014-11-05 18:00:07 +00:00
parent ee6433511d
commit 4a6537c0a9
1 changed files with 1 additions and 4 deletions
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5
lib/Analysis/ValueTracking.cpp
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@ -1005,7 +1005,6 @@ void computeKnownBits(Value *V, APInt &KnownZero, APInt &KnownOne,
KnownZero <<= ShiftAmt;
KnownOne <<= ShiftAmt;
KnownZero |= APInt::getLowBitsSet(BitWidth, ShiftAmt); // low bits known 0
break;
}
break;
case Instruction::LShr:
@ -1015,12 +1014,11 @@ void computeKnownBits(Value *V, APInt &KnownZero, APInt &KnownOne,
uint64_t ShiftAmt = SA->getLimitedValue(BitWidth);
// Unsigned shift right.
computeKnownBits(I->getOperand(0), KnownZero,KnownOne, TD, Depth+1, Q);
computeKnownBits(I->getOperand(0), KnownZero, KnownOne, TD, Depth+1, Q);
KnownZero = APIntOps::lshr(KnownZero, ShiftAmt);
KnownOne = APIntOps::lshr(KnownOne, ShiftAmt);
// high bits known zero.
KnownZero |= APInt::getHighBitsSet(BitWidth, ShiftAmt);
break;
}
break;
case Instruction::AShr:
@ -1039,7 +1037,6 @@ void computeKnownBits(Value *V, APInt &KnownZero, APInt &KnownOne,
KnownZero |= HighBits;
else if (KnownOne[BitWidth-ShiftAmt-1]) // New bits are known one.
KnownOne |= HighBits;
break;
}
break;
case Instruction::Sub: {