llvm/llvm/include/llvm/Analysis/RegionPass.h

//===- RegionPass.h - RegionPass class --------------------------*- 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 RegionPass class. All region based analysis,
// optimization and transformation passes are derived from RegionPass.
// This class is implemented following the some ideas of the LoopPass.h class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_REGIONPASS_H
#define LLVM_ANALYSIS_REGIONPASS_H

#include "llvm/IR/LegacyPassManagers.h"
#include "llvm/Pass.h"
#include <deque>

namespace llvm {
class Function;
class RGPassManager;
class Region;
class RegionInfo;

//===----------------------------------------------------------------------===//
/// A pass that runs on each Region in a function.
///
/// RegionPass is managed by RGPassManager.
class RegionPass : public Pass { … };

/// The pass manager to schedule RegionPasses.
class RGPassManager : public FunctionPass, public PMDataManager { … };

} // End llvm namespace

#endif