llvm/llvm/include/llvm/Support/Recycler.h

//==- llvm/Support/Recycler.h - Recycling Allocator --------------*- 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 defines the Recycler class template.  See the doxygen comment for
// Recycler for more details.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_RECYCLER_H
#define LLVM_SUPPORT_RECYCLER_H

#include "llvm/ADT/ilist.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/ErrorHandling.h"
#include <cassert>

namespace llvm {

/// PrintRecyclingAllocatorStats - Helper for RecyclingAllocator for
/// printing statistics.
///
void PrintRecyclerStats(size_t Size, size_t Align, size_t FreeListSize);

/// Recycler - This class manages a linked-list of deallocated nodes
/// and facilitates reusing deallocated memory in place of allocating
/// new memory.
///
template <class T, size_t Size = sizeof(T), size_t Align = alignof(T)>
class Recycler { … };

template <class T, size_t Size, size_t Align>
void Recycler<T, Size, Align>::PrintStats() { … }

}

#endif