llvm/llvm/include/llvm/CodeGen/RegAllocRegistry.h

//===- llvm/CodeGen/RegAllocRegistry.h --------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation for register allocator function
// pass registry (RegisterRegAlloc).
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_REGALLOCREGISTRY_H
#define LLVM_CODEGEN_REGALLOCREGISTRY_H

#include "llvm/CodeGen/RegAllocCommon.h"
#include "llvm/CodeGen/MachinePassRegistry.h"

namespace llvm {

class FunctionPass;

//===----------------------------------------------------------------------===//
///
/// RegisterRegAllocBase class - Track the registration of register allocators.
///
//===----------------------------------------------------------------------===//
template <class SubClass>
class RegisterRegAllocBase : public MachinePassRegistryNode<FunctionPass *(*)()> { … };

class RegisterRegAlloc : public RegisterRegAllocBase<RegisterRegAlloc> { … };

/// RegisterRegAlloc's global Registry tracks allocator registration.
template <class T>
MachinePassRegistry<typename RegisterRegAllocBase<T>::FunctionPassCtor>
RegisterRegAllocBase<T>::Registry;

} // end namespace llvm

#endif // LLVM_CODEGEN_REGALLOCREGISTRY_H