Refactor code that generates debug info for variables that has BlocksAttr.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95786 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index c2bcc4b..b2d3a1f 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -175,6 +175,11 @@
   void EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, llvm::Value *AI,
                    CGBuilderTy &Builder, CodeGenFunction *CGF);
 
+  // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref.  
+  // See BuildByRefType.
+  llvm::DIType EmitTypeForVarWithBlocksAttr(const ValueDecl *VD, 
+                                            uint64_t *OffSet);
+
   /// getContextDescriptor - Get context info for the decl.
   llvm::DIDescriptor getContextDescriptor(const Decl *Decl,
                                           llvm::DIDescriptor &CU);