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-rw-r--r--llvm/lib/Transforms/Utils/LoopSimplify.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index 4fa04d4..5ec12aa 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
@@ -768,7 +768,8 @@ namespace {
AU.addPreserved<DependenceAnalysisWrapperPass>();
AU.addPreservedID(BreakCriticalEdgesID); // No critical edges added.
AU.addPreserved<BranchProbabilityInfoWrapperPass>();
- AU.addPreserved<MemorySSAWrapperPass>();
+ if (EnableMSSALoopDependency)
+ AU.addPreserved<MemorySSAWrapperPass>();
}
/// verifyAnalysis() - Verify LoopSimplifyForm's guarantees.