rename method, add counterpart


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20593 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 1e47203..a73a942 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -2084,9 +2084,10 @@
 }
 
 
-/// computeGlobalGraphMapping - Compute the mapping of nodes in the global
-/// graph to nodes in this graph.
-void DSGraph::computeGlobalGraphMapping(NodeMapTy &NodeMap) {
+/// computeGToGGMapping - Compute the mapping of nodes in the global graph to
+/// nodes in this graph.  Note that any uses of this method are probably bugs,
+/// unless it is known that the globals graph has been merged into this graph!
+void DSGraph::computeGToGGMapping(NodeMapTy &NodeMap) {
   DSGraph &GG = *getGlobalsGraph();
 
   DSScalarMap &SM = getScalarMap();
@@ -2095,3 +2096,14 @@
     DSGraph::computeNodeMapping(SM[*I], GG.getNodeForValue(*I), NodeMap);
 }
                                 
+/// computeGGToGMapping - Compute the mapping of nodes in the global graph to
+/// nodes in this graph.
+void DSGraph::computeGGToGMapping(NodeMapTy &NodeMap) {
+  DSGraph &GG = *getGlobalsGraph();
+
+  DSScalarMap &SM = getScalarMap();
+  for (DSScalarMap::global_iterator I = SM.global_begin(),
+         E = SM.global_end(); I != E; ++I)
+    DSGraph::computeNodeMapping(GG.getNodeForValue(*I), SM[*I], NodeMap);
+}
+