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theoretically the negate we find could be in a different function, check

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for this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92425 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-02 21:46:33 +00:00
parent 82602bc089
commit 1c91fae649
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/Scalar/Reassociate.cpp
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@ -414,6 +414,10 @@ static Value *NegateValue(Value *V, Instruction *BI) {
// non-instruction value) or right after the definition. These negates will
// be zapped by reassociate later, so we don't need much finesse here.
BinaryOperator *TheNeg = cast<BinaryOperator>(*UI);
// Verify that the negate is in this function, V might be a constant expr.
if (TheNeg->getParent()->getParent() != BI->getParent()->getParent())
continue;
BasicBlock::iterator InsertPt;
if (Instruction *InstInput = dyn_cast<Instruction>(V)) {