//===----- CGAMPRuntime.h - Interface to C++ AMP Runtime --------*- 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 C++ AMP code generation.  Concrete
// subclasses of this implement code generation for specific C++ AMP
// runtime libraries.
//
//===----------------------------------------------------------------------===//

#ifndef CLANG_CODEGEN_AMPRUNTIME_H
#define CLANG_CODEGEN_AMPRUNTIME_H

namespace clang {

namespace CodeGen {

class CodeGenFunction;
class CodeGenModule;
class FunctionArgList;
class ReturnValueSlot;
class RValue;

class CGAMPRuntime {
protected:
  CodeGenModule &CGM;

public:
  CGAMPRuntime(CodeGenModule &CGM) : CGM(CGM) {}
  virtual ~CGAMPRuntime();
  virtual void EmitTrampolineBody(CodeGenFunction &CGF, const FunctionDecl *FD,
                                  FunctionArgList &Args);
  void EmitTrampolineNameBody(CodeGenFunction &CGF, const FunctionDecl *FD,
    FunctionArgList &Args);

private:

  void EmitCXXAMPDeserializer(CodeGenFunction &CGF,
                              const FunctionDecl *Trampoline, 
                              FunctionArgList& Args, Address& ai);
};

/// Creates an instance of a C++ AMP runtime class.
CGAMPRuntime *CreateAMPRuntime(CodeGenModule &CGM);

}
}

#endif