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Fix the build for gcc-4.2.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48639 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-03-21 08:32:17 +00:00
parent 920c37afc5
commit 1d57a752a2
1 changed files with 2 additions and 1 deletions
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3
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -833,7 +833,7 @@ static void ComputeMaskedBits(Value *V, const APInt &Mask, APInt& KnownZero,
return;
}
break;
case Instruction::Add:
case Instruction::Add: {
// If either the LHS or the RHS are Zero, the result is zero.
ComputeMaskedBits(I->getOperand(1), Mask, KnownZero, KnownOne, Depth+1);
ComputeMaskedBits(I->getOperand(0), Mask, KnownZero2, KnownOne2, Depth+1);
@ -849,6 +849,7 @@ static void ComputeMaskedBits(Value *V, const APInt &Mask, APInt& KnownZero,
KnownZero = APInt::getLowBitsSet(BitWidth, KnownZeroOut);
KnownOne = APInt(BitWidth, 0);
return;
}
case Instruction::Sub: {
ConstantInt *CLHS = dyn_cast<ConstantInt>(I->getOperand(0));
if (!CLHS) break;