diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index b061827..3d9c933 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -955,9 +955,7 @@
     
 /// processType - Process DIType.
 void DebugInfoFinder::processType(DIType DT) {
-  if (DT.isNull())
-    return;
-  if (!NodesSeen.insert(DT.getGV()))
+  if (!addType(DT))
     return;
 
   addCompileUnit(DT.getCompileUnit());
@@ -1028,6 +1026,18 @@
   processType(DV.getType());
 }
 
+/// addType - Add type into Tys.
+bool DebugInfoFinder::addType(DIType DT) {
+  if (DT.isNull())
+    return false;
+
+  if (!NodesSeen.insert(DT.getGV()))
+    return false;
+
+  TYs.push_back(DT.getGV());
+  return true;
+}
+
 /// addCompileUnit - Add compile unit into CUs.
 bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
   if (CU.isNull())