diff options
Diffstat (limited to 'lib/Transforms/Utils/LoopUnroll.cpp')
-rw-r--r-- | lib/Transforms/Utils/LoopUnroll.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/lib/Transforms/Utils/LoopUnroll.cpp b/lib/Transforms/Utils/LoopUnroll.cpp index f17098fd39..6b2f9efe15 100644 --- a/lib/Transforms/Utils/LoopUnroll.cpp +++ b/lib/Transforms/Utils/LoopUnroll.cpp @@ -230,13 +230,8 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, // reverse postorder so that LastValueMap contains the correct value at each // exit. LoopBlocksDFS DFS(L); - { - // Traverse the loop blocks using depth-first search to record RPO numbers - // for each block in the DFS result. - LoopBlocksTraversal Traversal(DFS, LI); - for (LoopBlocksTraversal::POTIterator POI = Traversal.begin(), - POE = Traversal.end(); POI != POE; ++POI); - } + DFS.perform(LI); + // Stash the DFS iterators before adding blocks to the loop. LoopBlocksDFS::RPOIterator BlockBegin = DFS.beginRPO(); LoopBlocksDFS::RPOIterator BlockEnd = DFS.endRPO(); |