commit 61753bf84796694f1165e333c3190cc02ea03ba1
author Chris Lattner <sabre@nondot.org> Sat Oct 16 18:19:26 2004 +0000
committer Chris Lattner <sabre@nondot.org> Sat Oct 16 18:19:26 2004 +0000
tree 098546dcacfabbdee05ac793216998c7df7f8d8a
parent 770709befe9000505daf38f116e7bfb46e3db228

Add support for undef

llvm-svn: 17055

llvm/lib/Analysis/DataStructure/Local.cpp

diff --git a/llvm/lib/Analysis/DataStructure/Local.cpp b/llvm/lib/Analysis/DataStructure/Local.cpp
index b497c38..473fb63 100644
--- a/llvm/lib/Analysis/DataStructure/Local.cpp
+++ b/llvm/lib/Analysis/DataStructure/Local.cpp
@@ -246,6 +246,9 @@
     } else if (ConstantIntegral *CI = dyn_cast<ConstantIntegral>(C)) {
       // Random constants are unknown mem
       return NH = createNode()->setUnknownNodeMarker();
+    } else if (isa<UndefValue>(C)) {
+      ScalarMap.erase(V);
+      return 0;
     } else {
       assert(0 && "Unknown constant type!");
     }