From 70e22d121d435276aeddb38764d4f72c3985c3bd Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Tue, 21 Nov 2017 18:00:01 +0000
Subject: [PATCH] Fix r318786

llvm-svn: 318787
---
 llvm/lib/Analysis/MemorySSA.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Analysis/MemorySSA.cpp b/llvm/lib/Analysis/MemorySSA.cpp
index d88088c..4af18cc 100644
--- a/llvm/lib/Analysis/MemorySSA.cpp
+++ b/llvm/lib/Analysis/MemorySSA.cpp
@@ -260,10 +260,10 @@ static bool instructionClobbersQuery(MemoryDef *MD,
     }
   }
 
-  /*if (UseCS) {
+  if (UseCS) {
     ModRefInfo I = AA.getModRefInfo(DefInst, UseCS);
     return I != MRI_NoModRef;
-  }*/
+  }
 
   if (auto *DefLoad = dyn_cast<LoadInst>(DefInst)) {
     if (auto *UseLoad = dyn_cast<LoadInst>(UseInst)) {
-- 
2.7.4