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Remove dead store by taking a guess at what Chris meant. I wasn't able to

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design a testcase that would tickle this behaviour.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82357 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2009-09-20 03:48:46 +00:00
parent 8d5a831bfa
commit d43737bd09
1 changed files with 1 additions and 2 deletions
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3
lib/VMCore/ConstantFold.cpp
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@ -1241,12 +1241,11 @@ static ICmpInst::Predicate evaluateICmpRelation(LLVMContext &Context,
// null pointer, do the comparison with the pre-casted value.
if (V2->isNullValue() &&
(isa<PointerType>(CE1->getType()) || CE1->getType()->isInteger())) {
bool sgnd = isSigned;
if (CE1->getOpcode() == Instruction::ZExt) isSigned = false;
if (CE1->getOpcode() == Instruction::SExt) isSigned = true;
return evaluateICmpRelation(Context, CE1Op0,
Constant::getNullValue(CE1Op0->getType()),
sgnd);
isSigned);
}
break;