llvm/llvm/include/llvm/IR/ModuleSlotTracker.h

//===-- llvm/IR/ModuleSlotTracker.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
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_MODULESLOTTRACKER_H
#define LLVM_IR_MODULESLOTTRACKER_H

#include <functional>
#include <memory>
#include <utility>
#include <vector>

namespace llvm {

class Module;
class Function;
class SlotTracker;
class Value;
class MDNode;

/// Abstract interface of slot tracker storage.
class AbstractSlotTrackerStorage { … };

/// Manage lifetime of a slot tracker for printing IR.
///
/// Wrapper around the \a SlotTracker used internally by \a AsmWriter.  This
/// class allows callers to share the cost of incorporating the metadata in a
/// module or a function.
///
/// If the IR changes from underneath \a ModuleSlotTracker, strings like
/// "<badref>" will be printed, or, worse, the wrong slots entirely.
class ModuleSlotTracker { … };

} // end namespace llvm

#endif