diff options
Diffstat (limited to 'include/llvm/Analysis/LoopInfo.h')
-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 fb0b584..9e5f57e 100644 --- a/include/llvm/Analysis/LoopInfo.h +++ b/include/llvm/Analysis/LoopInfo.h @@ -281,6 +281,16 @@ public: } } + /// getUniqueExitBlock - If getUniqueExitBlocks would return exactly one + /// block, return that block. Otherwise return null. + BlockT *getUniqueExitBlock() const { + SmallVector<BlockT*, 8> UniqueExitBlocks; + getUniqueExitBlocks(UniqueExitBlocks); + if (UniqueExitBlocks.size() == 1) + return UniqueExitBlocks[0]; + return 0; + } + /// getLoopPreheader - If there is a preheader for this loop, return it. A /// loop has a preheader if there is only one edge to the header of the loop /// from outside of the loop. If this is the case, the block branching to the |