From 140b2cbd28f8ead94da6b7727534d5e34915724a Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 3 Mar 2004 05:34:31 +0000
Subject: [PATCH] Fix a node mapping problem that was causing the pool
 allocator to locally allocate nodes that were globally live, thus breaking
 programs.

llvm-svn: 12094
---
 llvm/lib/Analysis/DataStructure/DataStructure.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/lib/Analysis/DataStructure/DataStructure.cpp b/llvm/lib/Analysis/DataStructure/DataStructure.cpp
index 270a0bf9e0c3..3bae138d6977 100644
--- a/llvm/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/llvm/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);
 }