diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp b/llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp index 55cf20a2936..bbf35513416 100644 --- a/llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp +++ b/llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp @@ -355,6 +355,8 @@ private: BasicBlock *NewPreheader = Preheader->splitBasicBlock( Preheader->getTerminator(), Twine(Preheader->getName()).concat("-split")); + if (MSSAU) + MSSAU->removeEdge(Preheader, L.getHeader()); DTUpdates.push_back({DominatorTree::Delete, Preheader, L.getHeader()}); DTUpdates.push_back({DominatorTree::Insert, NewPreheader, L.getHeader()}); DTUpdates.push_back({DominatorTree::Insert, Preheader, NewPreheader}); |
