From deea000c915574a05b738a71a1b145951c64b5e6 Mon Sep 17 00:00:00 2001
From: Alina Sbirlea <asbirlea@google.com>
Date: Fri, 26 Jul 2019 18:57:26 +0000
Subject: [PATCH] [MemorySSA & LoopPassManager] Analysis can be preserved only
 when all loop passes preserve it.

llvm-svn: 367143
---
 llvm/include/llvm/Transforms/Scalar/LoopPassManager.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h b/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
index 61ec585..058f69a 100644
--- a/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
+++ b/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
@@ -382,8 +382,6 @@ public:
     PA.preserve<DominatorTreeAnalysis>();
     PA.preserve<LoopAnalysis>();
     PA.preserve<ScalarEvolutionAnalysis>();
-    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>();
-- 
2.7.4