From 6bd15ce03f27047909da227f923e36249bf8182b Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sun, 1 Jun 2008 21:03:52 +0000
Subject: [PATCH] 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
---
 lib/Analysis/MemoryDependenceAnalysis.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 6489892df17..2012ab473c9 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -282,6 +282,11 @@ void MemoryDependenceAnalysis::getNonLocalDependency(Instruction* query,
     
     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++;