Fix a node mapping problem that was causing the pool allocator to locally allocate

nodes that were globally live, thus breaking programs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12094 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 270a0bf9e0c3cacf26a9808d88dcf9add440c8b9..3bae138d697783b0216c2dee95cbacdc8cb997a8 100644 (file)
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -1847,4 +1847,7 @@ void DSGraph::computeNodeMapping(const DSNodeHandle &NH1,
   for (unsigned i = 0, e = N1->getSize(); i < e; i += DS::PointerSize)
     if (unsigned(N2Idx)+i < N2Size)
       computeNodeMapping(N1->getLink(i), N2->getLink(N2Idx+i), NodeMap);
+    else
+      computeNodeMapping(N1->getLink(i),
+                         N2->getLink(unsigned(N2Idx+i) % N2Size), NodeMap);
 }