vendor/llvm/llvm-trunk-r351319

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Analysis/LoopAnalysisManager.cpp b/lib/Analysis/LoopAnalysisManager.cpp
index 074023a7e1e2..2a3b29d7fbca 100644
--- a/lib/Analysis/LoopAnalysisManager.cpp
+++ b/lib/Analysis/LoopAnalysisManager.cpp
@@ -147,8 +147,8 @@ PreservedAnalyses llvm::getLoopPassPreservedAnalyses() {
   PA.preserve<LoopAnalysis>();
   PA.preserve<LoopAnalysisManagerFunctionProxy>();
   PA.preserve<ScalarEvolutionAnalysis>();
-  // FIXME: Uncomment this when all loop passes preserve MemorySSA
-  // PA.preserve<MemorySSAAnalysis>();
+  if (EnableMSSALoopDependency)
+    PA.preserve<MemorySSAAnalysis>();
   // FIXME: What we really want to do here is preserve an AA category, but that
   // concept doesn't exist yet.
   PA.preserve<AAManager>();