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+//===----- CGCUDARuntime.h - Interface to CUDA Runtimes ---------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This provides an abstract class for CUDA code generation. Concrete
+// subclasses of this implement code generation for specific CUDA
+// runtime libraries.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_CODEGEN_CUDARUNTIME_H
+#define CLANG_CODEGEN_CUDARUNTIME_H
+
+namespace clang {
+
+class CUDAKernelCallExpr;
+
+namespace CodeGen {
+
+class CodeGenFunction;
+class CodeGenModule;
+class FunctionArgList;
+class ReturnValueSlot;
+class RValue;
+
+class CGCUDARuntime {
+protected:
+ CodeGenModule &CGM;
+
+public:
+ CGCUDARuntime(CodeGenModule &CGM) : CGM(CGM) {}
+ virtual ~CGCUDARuntime();
+
+ virtual RValue EmitCUDAKernelCallExpr(CodeGenFunction &CGF,
+ const CUDAKernelCallExpr *E,
+ ReturnValueSlot ReturnValue);
+
+ virtual void EmitDeviceStubBody(CodeGenFunction &CGF,
+ FunctionArgList &Args) = 0;
+
+};
+
+/// Creates an instance of a CUDA runtime class.
+CGCUDARuntime *CreateNVCUDARuntime(CodeGenModule &CGM);
+
+}
+}
+
+#endif