add some prototypes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23919 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/DataStructure/DataStructure.h

@@ -31,6 +31,10 @@ class DSCallSite;
 class DSNode;
 class DSNodeHandle;
 
+FunctionPass *createDataStructureStatsPass();
+FunctionPass *createDataStructureGraphCheckerPass();
+
+
 // FIXME: move this stuff to a private header
 namespace DataStructureAnalysis {
   /// isPointerType - Return true if this first class type is big enough to hold