Fix r318786

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318787 91177308-0d34-0410-b5e6-96231b3b80d8
happyLiMing · Nov 21, 2017 · a5579c6 · a5579c6
1 parent c4d4e42
commit a5579c6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/Analysis/MemorySSA.cpp b/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)) {