Start using retnodes_* for iteration.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20618 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/TopDownClosure.cpp b/lib/Analysis/DataStructure/TopDownClosure.cpp
index bbce45b..580f228 100644
--- a/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -179,9 +179,8 @@
   // If any of the functions has incomplete incoming arguments, don't mark any
   // of them as complete.
   bool HasIncompleteArgs = false;
-  const DSGraph::ReturnNodesTy &GraphReturnNodes = Graph.getReturnNodes();
-  for (DSGraph::ReturnNodesTy::const_iterator I = GraphReturnNodes.begin(),
-         E = GraphReturnNodes.end(); I != E; ++I)
+  for (DSGraph::retnodes_iterator I = Graph.retnodes_begin(),
+         E = Graph.retnodes_end(); I != E; ++I)
     if (ArgsRemainIncomplete.count(I->first)) {
       HasIncompleteArgs = true;
       break;
@@ -330,7 +329,7 @@
     assert(NG->getReturnNodes().size() == 1 && "Cannot copy SCC's yet!");
 
     // Change the Function* is the returnnodes map to the ToF.
-    DSNodeHandle Ret = NG->getReturnNodes().begin()->second;
+    DSNodeHandle Ret = NG->retnodes_begin()->second;
     NG->getReturnNodes().clear();
     NG->getReturnNodes()[ToF] = Ret;
     return;