Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- LoopRotation.h - Loop Rotation -------------------------------------===//

//

// 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 provides the interface for the Loop Rotation pass.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H

#define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H

#include "llvm/Analysis/LoopAnalysisManager.h"

#include "llvm/IR/PassManager.h"

namespace llvm {

class LPMUpdater;

class Loop;

/// A simple loop rotation transformation.

class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {

public:

  LoopRotatePass(bool EnableHeaderDuplication = true,

                 bool PrepareForLTO = false);

  PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,

                        LoopStandardAnalysisResults &AR, LPMUpdater &U);

private:

  const bool EnableHeaderDuplication;

  const bool PrepareForLTO;

};

}

#endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H