diff options
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp index 34510cb4073..5834b619046 100644 --- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp +++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp @@ -459,9 +459,11 @@ static bool unswitchTrivialBranch(Loop &L, BranchInst &BI, DominatorTree &DT, *ParentBB, *OldPH, FullUnswitch); // Now we need to update the dominator tree. - DT.insertEdge(OldPH, UnswitchedBB); + SmallVector<DominatorTree::UpdateType, 2> DTUpdates; + DTUpdates.push_back({DT.Insert, OldPH, UnswitchedBB}); if (FullUnswitch) - DT.deleteEdge(ParentBB, UnswitchedBB); + DTUpdates.push_back({DT.Delete, ParentBB, LoopExitBB}); + DT.applyUpdates(DTUpdates); // The constant we can replace all of our invariants with inside the loop // body. If any of the invariants have a value other than this the loop won't |
