diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-02-17 19:35:08 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-02-17 19:35:08 +0000 |
| commit | c60b95818e4f6c00c872114318d01109f97a7fa3 (patch) | |
| tree | 9361932ed8cde0f9d3c167adb0eb75ff1401ed99 /lib/Transforms/Utils/LoopUnroll.cpp | |
| parent | 3897d3b845ab73af1f4abd7fd8cc6e43925af1b4 (diff) | |
Diffstat (limited to 'lib/Transforms/Utils/LoopUnroll.cpp')
| -rw-r--r-- | lib/Transforms/Utils/LoopUnroll.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Transforms/Utils/LoopUnroll.cpp b/lib/Transforms/Utils/LoopUnroll.cpp index f9a602bc268af..e346ebd6a000a 100644 --- a/lib/Transforms/Utils/LoopUnroll.cpp +++ b/lib/Transforms/Utils/LoopUnroll.cpp @@ -189,11 +189,14 @@ const Loop* llvm::addClonedBlockToLoopInfo(BasicBlock *OriginalBB, assert(OriginalBB == OldLoop->getHeader() && "Header should be first in RPO"); + NewLoop = new Loop(); Loop *NewLoopParent = NewLoops.lookup(OldLoop->getParentLoop()); - assert(NewLoopParent && - "Expected parent loop before sub-loop in RPO"); - NewLoop = new Loop; - NewLoopParent->addChildLoop(NewLoop); + + if (NewLoopParent) + NewLoopParent->addChildLoop(NewLoop); + else + LI->addTopLevelLoop(NewLoop); + NewLoop->addBasicBlockToLoop(ClonedBB, *LI); return OldLoop; } else { |