diff options
| -rw-r--r-- | include/llvm/Analysis/LoopInfo.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h index 9be01dd96f..4a5d592478 100644 --- a/include/llvm/Analysis/LoopInfo.h +++ b/include/llvm/Analysis/LoopInfo.h @@ -285,12 +285,14 @@ public: typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; for (typename InvBlockTraits::ChildIteratorType PI = InvBlockTraits::child_begin(Header), - PE = InvBlockTraits::child_end(Header); PI != PE; ++PI) - if (!contains(*PI)) { // If the block is not in the loop... - if (Out && Out != *PI) + PE = InvBlockTraits::child_end(Header); PI != PE; ++PI) { + typename InvBlockTraits::NodeType *N = *PI; + if (!contains(N)) { // If the block is not in the loop... + if (Out && Out != N) return 0; // Multiple predecessors outside the loop - Out = *PI; + Out = N; } + } // Make sure there is only one exit out of the preheader. assert(Out && "Header of loop has no predecessors from outside loop?"); |