From 12324753f200d1e3af6ac00dc203af005ebbcce6 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 16 Aug 2004 05:38:02 +0000
Subject: [PATCH] Fix a bug that caused the pass to go into infinite loops on
 trivial testcases.

This is fallout of the Bug 122 changes.

llvm-svn: 15811
---
 llvm/lib/Analysis/IPA/Andersens.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Analysis/IPA/Andersens.cpp b/llvm/lib/Analysis/IPA/Andersens.cpp
index 12f0fc30065d..54dfd7458d12 100644
--- a/llvm/lib/Analysis/IPA/Andersens.cpp
+++ b/llvm/lib/Analysis/IPA/Andersens.cpp
@@ -251,7 +251,8 @@ namespace {
     ///
     Node *getNode(Value *V) {
       if (Constant *C = dyn_cast<Constant>(V))
-        return getNodeForConstantPointer(C);
+        if (!isa<GlobalValue>(C))
+          return getNodeForConstantPointer(C);
 
       std::map<Value*, unsigned>::iterator I = ValueNodes.find(V);
       if (I == ValueNodes.end()) {
-- 
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