Fix a bug that caused the pass to go into infinite loops on trivial testcases.

This is fallout of the Bug 122 changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15811 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 12f0fc30065d8f39dce6ee03e01a003d03e32cf9..54dfd7458d1257ff7a7cfd6f3e3caeca06662bac 100644 (file)
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/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()) {