llvm/llvm/include/llvm/Analysis/LoopPass.h

//===- LoopPass.h - LoopPass class ----------------------------------------===//
//
// 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 LoopPass class. All loop optimization
// and transformation passes are derived from LoopPass.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_LOOPPASS_H
#define LLVM_ANALYSIS_LOOPPASS_H

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

namespace llvm {

class Loop;
class LoopInfo;
class LPPassManager;
class Function;

class LoopPass : public Pass { … };

class LPPassManager : public FunctionPass, public PMDataManager { … };

// This pass is required by the LCSSA transformation. It is used inside
// LPPassManager to check if current pass preserves LCSSA form, and if it does
// pass manager calls lcssa verification for the current loop.
struct LCSSAVerificationPass : public FunctionPass { … };

} // End llvm namespace

#endif