diff --git a/llvm/lib/Analysis/MemorySSA.cpp b/llvm/lib/Analysis/MemorySSA.cpp
index 35a224a..ac95017 100644
--- a/llvm/lib/Analysis/MemorySSA.cpp
+++ b/llvm/lib/Analysis/MemorySSA.cpp
@@ -84,7 +84,7 @@
 #endif
 /// Enables memory ssa as a dependency for loop passes in legacy pass manager.
 cl::opt<bool> llvm::EnableMSSALoopDependency(
-    "enable-mssa-loop-dependency", cl::Hidden, cl::init(true),
+    "enable-mssa-loop-dependency", cl::Hidden, cl::init(false),
     cl::desc("Enable MemorySSA dependency for loop pass manager"));
 
 static cl::opt<bool, true>