llvm/llvm/lib/CodeGen/AllocationOrder.h

//===-- llvm/CodeGen/AllocationOrder.h - Allocation Order -*- 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 implements an allocation order for virtual registers.
//
// The preferred allocation order for a virtual register depends on allocation
// hints and target hooks. The AllocationOrder class encapsulates all of that.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_CODEGEN_ALLOCATIONORDER_H
#define LLVM_LIB_CODEGEN_ALLOCATIONORDER_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/Register.h"

namespace llvm {

class RegisterClassInfo;
class VirtRegMap;
class LiveRegMatrix;

class LLVM_LIBRARY_VISIBILITY AllocationOrder {};

} // end namespace llvm

#endif