diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopRotation.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopRotation.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp index c11510ffd08..c37cd917ad2 100644 --- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp +++ b/llvm/lib/Transforms/Scalar/LoopRotation.cpp @@ -519,7 +519,9 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) { // Right now OrigPreHeader has two successors, NewHeader and ExitBlock, and // thus is not a preheader anymore. // Split the edge to form a real preheader. - BasicBlock *NewPH = SplitCriticalEdge(OrigPreheader, NewHeader, this); + BasicBlock *NewPH = SplitCriticalEdge( + OrigPreheader, NewHeader, + CriticalEdgeSplittingOptions(DT, LI).setPreserveLCSSA()); NewPH->setName(NewHeader->getName() + ".lr.ph"); // Preserve canonical loop form, which means that 'Exit' should have only @@ -536,7 +538,8 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) { if (!PredLoop || PredLoop->contains(Exit)) continue; SplitLatchEdge |= L->getLoopLatch() == *PI; - BasicBlock *ExitSplit = SplitCriticalEdge(*PI, Exit, this); + BasicBlock *ExitSplit = SplitCriticalEdge( + *PI, Exit, CriticalEdgeSplittingOptions(DT, LI).setPreserveLCSSA()); ExitSplit->moveBefore(Exit); } assert(SplitLatchEdge && |
