functions were split out from DSNode class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4509 91177308-0d34-0410-b5e6-96231b3b80d8
* DSGraph.h contains DSGraph * DSNode.h contains DSNode (soon UDSNode and MDSNode) * DSSupport.h contains DSCallsite, DSTypeRec, and DSNodeHandler git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4466 91177308-0d34-0410-b5e6-96231b3b80d8