From d8f34fa3d616a99e90ac9111fdc60b7b4ec0aae9 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sun, 1 Jun 2008 20:51:41 +0000
Subject: [PATCH] Make ping more aggressive in finding nonlocal caching errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51845 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/MemoryDependenceAnalysis.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 7a6633f8fed..6489892df17 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -58,6 +58,9 @@ void MemoryDependenceAnalysis::ping(Instruction *D) {
   for (nonLocalDepMapType::iterator I = depGraphNonLocal.begin(), E = depGraphNonLocal.end();
        I != E; ++I) {
     assert(I->first != D);
+    for (DenseMap<BasicBlock*, Value*>::iterator II = I->second.begin(),
+         EE = I->second.end(); II  != EE; ++II)
+      assert(II->second != D);
   }
 
   for (reverseDepMapType::iterator I = reverseDep.begin(), E = reverseDep.end();