From 7263cf8431d3e42d389db56403ee425d0bcdb66c Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 1 Mar 2010 22:23:12 +0000
Subject: MemoryDepAnalysis is not used if redundant load processing is
 disabled.

llvm-svn: 97512
---
 llvm/lib/Transforms/Scalar/GVN.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Scalar')

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index f7470c3c19e..a7cc9049cdd 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -2237,7 +2237,7 @@ bool GVN::splitCriticalEdges() {
     std::pair<TerminatorInst*, unsigned> Edge = toSplit.pop_back_val();
     SplitCriticalEdge(Edge.first, Edge.second, this);
   } while (!toSplit.empty());
-  MD->invalidateCachedPredecessors();
+  if (MD) MD->invalidateCachedPredecessors();
   return true;
 }
 
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