diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index cb7d1e8221e..9fa044e4c76 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -280,7 +280,9 @@ static void SplitEdgeNicely(TerminatorInst *TI, unsigned SuccNum, Pass *P) { BranchInst *PredBr = dyn_cast(Pred->getTerminator()); if (!PredBr || !PredBr->isUnconditional() || // Must be empty other than the branch. - &Pred->front() != PredBr) + &Pred->front() != PredBr || + // Cannot be the entry block; its label does not get emitted. + Pred == &(Dest->getParent()->getEntryBlock())) continue; // Finally, since we know that Dest has phi nodes in it, we have to make