//===--- AMDGPUMachineModuleInfo.h ------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief AMDGPU Machine Module Info.
///
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H

#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/IR/LLVMContext.h"

namespace llvm {

class AMDGPUMachineModuleInfo final : public MachineModuleInfoELF {
private:

  // All supported memory/synchronization scopes can be found here:
  //   http://llvm.org/docs/AMDGPUUsage.html#memory-scopes

  /// \brief Agent synchronization scope ID.
  SyncScope::ID AgentSSID;
  /// \brief Workgroup synchronization scope ID.
  SyncScope::ID WorkgroupSSID;
  /// \brief Wavefront synchronization scope ID.
  SyncScope::ID WavefrontSSID;

public:
  AMDGPUMachineModuleInfo(const MachineModuleInfo &MMI);

  /// \returns Agent synchronization scope ID.
  SyncScope::ID getAgentSSID() const {
    return AgentSSID;
  }
  /// \returns Workgroup synchronization scope ID.
  SyncScope::ID getWorkgroupSSID() const {
    return WorkgroupSSID;
  }
  /// \returns Wavefront synchronization scope ID.
  SyncScope::ID getWavefrontSSID() const {
    return WavefrontSSID;
  }
};

} // end namespace llvm

#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H