Add support to emit debug info for c++ style namespaces.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 6c8a28d..3319cf5 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -289,6 +289,7 @@
   void addSourceLine(DIE *Die, const DIGlobal *G);
   void addSourceLine(DIE *Die, const DISubprogram *SP);
   void addSourceLine(DIE *Die, const DIType *Ty);
+  void addSourceLine(DIE *Die, const DINameSpace *NS);
 
   /// addAddress - Add an address attribute to a die based on the location
   /// provided.
@@ -340,6 +341,9 @@
   /// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
   DIE *constructEnumTypeDIE(CompileUnit *DW_Unit, DIEnumerator *ETy);
 
+  /// getOrCreateNameSpace - Create a DIE for DINameSpace.
+  DIE *getOrCreateNameSpace(DINameSpace &NS);
+
   /// createGlobalVariableDIE - Create new DIE using GV.
   DIE *createGlobalVariableDIE(CompileUnit *DW_Unit,
                                const DIGlobalVariable &GV);