diff options
| -rw-r--r-- | include/llvm/Analysis/LoopInfo.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h index 01e5fa9..69773a6 100644 --- a/include/llvm/Analysis/LoopInfo.h +++ b/include/llvm/Analysis/LoopInfo.h @@ -213,6 +213,16 @@ public: ExitBlocks.push_back(*I); } + /// getExitBlock - If getExitBlocks would return exactly one block, + /// return that block. Otherwise return null. + BlockT *getExitBlock() const { + SmallVector<BlockT*, 8> ExitBlocks; + getExitBlocks(ExitBlocks); + if (ExitBlocks.size() == 1) + return ExitBlocks[0]; + return 0; + } + /// getUniqueExitBlocks - Return all unique successor blocks of this loop. /// These are the blocks _outside of the current loop_ which are branched to. /// This assumes that loop is in canonical form. |