CUDA: IR generation support for device stubs

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCUDARuntime.h b/lib/CodeGen/CGCUDARuntime.h
index 79890e8..a99a67a 100644
--- a/lib/CodeGen/CGCUDARuntime.h
+++ b/lib/CodeGen/CGCUDARuntime.h
@@ -24,6 +24,7 @@
 
 class CodeGenFunction;
 class CodeGenModule;
+class FunctionArgList;
 class ReturnValueSlot;
 class RValue;
 
@@ -39,6 +40,9 @@
                                         const CUDAKernelCallExpr *E,
                                         ReturnValueSlot ReturnValue);
   
+  virtual void EmitDeviceStubBody(CodeGenFunction &CGF,
+                                  FunctionArgList &Args) = 0;
+
 };
 
 /// Creates an instance of a CUDA runtime class.