vendor/llvm/llvm-trunk-r366426

1 files changed, 7 insertions, 5 deletions

diff --git a/lib/Transforms/Scalar/LoopRotation.cpp b/lib/Transforms/Scalar/LoopRotation.cpp
index fd22128f7fe6..e009947690af 100644
--- a/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/lib/Transforms/Scalar/LoopRotation.cpp
@@ -1,9 +1,8 @@
 //===- LoopRotation.cpp - Loop Rotation Pass ------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -55,7 +54,10 @@ PreservedAnalyses LoopRotatePass::run(Loop &L, LoopAnalysisManager &AM,
   if (AR.MSSA && VerifyMemorySSA)
     AR.MSSA->verifyMemorySSA();
 
-  return getLoopPassPreservedAnalyses();
+  auto PA = getLoopPassPreservedAnalyses();
+  if (EnableMSSALoopDependency)
+    PA.preserve<MemorySSAAnalysis>();
+  return PA;
 }
 
 namespace {