commit ea69f1f9e8f1d8913b61eb6ab79cf0139f1aea51
author Chris Lattner <sabre@nondot.org> Sun Mar 27 18:58:23 2005 +0000
committer Chris Lattner <sabre@nondot.org> Sun Mar 27 18:58:23 2005 +0000
tree 7786eac32f77035bc8da8d7edebe6ef10e89be61
parent 82166467c327ae2724e126d9caa18764d8c827cf

teach andersens about undef

llvm-svn: 20881

llvm/lib/Analysis/IPA/Andersens.cpp

diff --git a/llvm/lib/Analysis/IPA/Andersens.cpp b/llvm/lib/Analysis/IPA/Andersens.cpp
index 12d4cf5..12efb46 100644
--- a/llvm/lib/Analysis/IPA/Andersens.cpp
+++ b/llvm/lib/Analysis/IPA/Andersens.cpp
@@ -481,7 +481,7 @@
 Andersens::Node *Andersens::getNodeForConstantPointer(Constant *C) {
   assert(isa<PointerType>(C->getType()) && "Not a constant pointer!");
 
-  if (isa<ConstantPointerNull>(C))
+  if (isa<ConstantPointerNull>(C) || isa<UndefValue>(C))
     return &GraphNodes[NullPtr];
   else if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
     return getNode(GV);