diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index e3c45d40fb..f8373cb6e2 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -3386,7 +3386,8 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) { if (Instruction *I = dyn_cast<Instruction>(V)) { // We know that the instruction dominates the PHI if there are no undef // values coming in. - if (I->getParent() != &I->getParent()->getParent()->front()) + if (I->getParent() != &I->getParent()->getParent()->front() || + isa<InvokeInst>(I)) for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) if (isa<UndefValue>(PN.getIncomingValue(i))) { V = 0; |