Add utility routine to collect variable debug info. This is not yet used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83355 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 2947d76..1bb6906 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -560,6 +560,9 @@
   /// and collect DbgScopes. Return true, if atleast one scope was found.
   bool ExtractScopeInformation(MachineFunction *MF);
 
+  /// CollectVariableInfo - Populate DbgScope entries with variables' info.
+  void CollectVariableInfo();
+
   void SetDbgScopeLabels(const MachineInstr *MI, unsigned Label);
 };