diff options
Diffstat (limited to 'lib/Analysis/LoopInfo.cpp')
| -rw-r--r-- | lib/Analysis/LoopInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp index 1c3d5ee565..1f8e34ca7e 100644 --- a/lib/Analysis/LoopInfo.cpp +++ b/lib/Analysis/LoopInfo.cpp @@ -147,8 +147,9 @@ BasicBlock *Loop::getLoopPreheader() const { BasicBlock *Header = getHeader(); for (pred_iterator PI = pred_begin(Header), PE = pred_end(Header); PI != PE; ++PI) - if (!contains(*PI)) { // If the block is not in the loop... - if (Out) return 0; // Multiple predecessors outside the loop + if (!contains(*PI)) { // If the block is not in the loop... + if (Out && Out != *PI) + return 0; // Multiple predecessors outside the loop Out = *PI; } |