commit 30525a04c1a3a5be02e914674f9383c21cbe37d1
author Chris Lattner <sabre@nondot.org> Fri Mar 18 23:18:30 2005 +0000
committer Chris Lattner <sabre@nondot.org> Fri Mar 18 23:18:30 2005 +0000
tree c660c79832e5ad6a9404dc93ba1235394c462cfc
parent 5bd948b4d758ecb54b4b93f11127154e0f75077a

fix a bogus assertion

llvm-svn: 20675

llvm/lib/Analysis/DataStructure/DataStructureAA.cpp

diff --git a/llvm/lib/Analysis/DataStructure/DataStructureAA.cpp b/llvm/lib/Analysis/DataStructure/DataStructureAA.cpp
index dcbb4ed..f880b63 100644
--- a/llvm/lib/Analysis/DataStructure/DataStructureAA.cpp
+++ b/llvm/lib/Analysis/DataStructure/DataStructureAA.cpp
@@ -190,7 +190,7 @@
   DSScalarMap &CallerSM = CallerTDGraph.getScalarMap();
   DSScalarMap::iterator NI = CallerSM.find(P);
   if (NI == CallerSM.end()) {
-    if (isa<ConstantPointerNull>(P))
+    if (isa<ConstantPointerNull>(P) || isa<UndefValue>(P))
       Result = NoModRef;                 // null is never modified :)
     else {
       assert(isa<GlobalVariable>(P) &&