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
2004-08-16 05:38:02 +00:00 · 2004-08-16 05:38:02 +00:00 · 12324753f2
parent f2e9ea2106
commit 12324753f2
1 changed files with 2 additions and 1 deletions
--- 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()) {