Remember to update the reverse non-local cache when cleaning up dirty entries.  This fixes PR2397.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51846 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 6489892..2012ab4 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -282,6 +282,11 @@
     
     resp = cached;
     
+    // Update the reverse non-local dependency cache
+    for (DenseMap<BasicBlock*, Value*>::iterator I = resp.begin(), E = resp.end();
+         I != E; ++I)
+      reverseDepNonLocal[I->second].insert(query);
+    
     return;
   } else
     NumUncacheNonlocal++;