checkpoint of the new PHITransAddr code, still not done and not used by

[oota-llvm.git] / include / llvm / Analysis / PostDominators.h

diff --git a/include/llvm/Analysis/PostDominators.h b/include/llvm/Analysis/PostDominators.h
index 42a16e74a247e5fcada65a42dcea7e74727a5e63..ea14b2da9ce97b5761ba2165fbe4192454ec7a20 100644 (file)
--- a/include/llvm/Analysis/PostDominators.h
+++ b/include/llvm/Analysis/PostDominators.h
@@ -81,7 +81,10 @@ template <> struct GraphTraits<PostDominatorTree*>
   }
 
   static nodes_iterator nodes_begin(PostDominatorTree *N) {
-    return df_begin(getEntryNode(N));
+    if (getEntryNode(N))
+      return df_begin(getEntryNode(N));
+    else
+      return df_end(getEntryNode(N));
   }
 
   static nodes_iterator nodes_end(PostDominatorTree *N) {