Use more caching when computing non-local dependence.  This makes bzip2 not
use up the entire 32-bit address space.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40596 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 4bd8771..02b0af6 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -129,6 +129,8 @@
 
   if (!inserted && !predOnStack)
     resp.insert(std::make_pair(block, None));
+  else if (inserted && predOnStack)
+    resp.insert(std::make_pair(block, NonLocal));
   
   return inserted;
 }