diff options
Diffstat (limited to 'lib/Transforms/Scalar/Reassociate.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/Reassociate.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp index 827b47d3fe..71d787a839 100644 --- a/lib/Transforms/Scalar/Reassociate.cpp +++ b/lib/Transforms/Scalar/Reassociate.cpp @@ -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)) { |