From: Alina Sbirlea <asbirlea@google.com>
Date: Fri, 26 Jul 2019 18:57:26 +0000 (+0000)
Subject: [MemorySSA & LoopPassManager] Analysis can be preserved only when all loop passes... 
X-Git-Tag: llvmorg-11-init~13455
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=deea000c915574a05b738a71a1b145951c64b5e6;p=platform%2Fupstream%2Fllvm.git

[MemorySSA & LoopPassManager] Analysis can be preserved only when all loop passes preserve it.

llvm-svn: 367143
---

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>();