From 79acb69a6fc509b77d0e915fcd0e2fe772dcfcf9 Mon Sep 17 00:00:00 2001
From: Andrew Lenharth <andrewl@lenharth.org>
Date: Mon, 27 Mar 2006 23:39:58 +0000
Subject: [PATCH] If adding a link to a collapsed, node, ignore offset. Fixes
 2006-03-27-LinkedCollapsed.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27194 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DataStructure/DataStructure.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 7fabdf21238..565a596b7cd 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -701,6 +701,9 @@ bool DSNode::mergeTypeInfo(const Type *NewTy, unsigned Offset,
 void DSNode::addEdgeTo(unsigned Offset, const DSNodeHandle &NH) {
   if (NH.isNull()) return;       // Nothing to do
 
+  if (isNodeCompletelyFolded())
+    Offset = 0;
+
   DSNodeHandle &ExistingEdge = getLink(Offset);
   if (!ExistingEdge.isNull()) {
     // Merge the two nodes...