llvm/llvm/include/llvm/Support/ArrayRecycler.h

//==- llvm/Support/ArrayRecycler.h - Recycling of Arrays ---------*- 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 ArrayRecycler class template which can recycle small
// arrays allocated from one of the allocators in Allocator.h
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_ARRAYRECYCLER_H
#define LLVM_SUPPORT_ARRAYRECYCLER_H

#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/MathExtras.h"

namespace llvm {

/// Recycle small arrays allocated from a BumpPtrAllocator.
///
/// Arrays are allocated in a small number of fixed sizes. For each supported
/// array size, the ArrayRecycler keeps a free list of available arrays.
///
template <class T, size_t Align = alignof(T)> class ArrayRecycler { … };

} // end llvm namespace

#endif