diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp index 06d65b55890..9fba159495b 100644 --- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp +++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp @@ -2861,7 +2861,11 @@ PreservedAnalyses SimpleLoopUnswitchPass::run(Loop &L, LoopAnalysisManager &AM, // Historically this pass has had issues with the dominator tree so verify it // in asserts builds. assert(AR.DT.verify(DominatorTree::VerificationLevel::Fast)); - return getLoopPassPreservedAnalyses(); + + auto PA = getLoopPassPreservedAnalyses(); + if (EnableMSSALoopDependency) + PA.preserve<MemorySSAAnalysis>(); + return PA; } namespace { |
