llvm-for-llvmta/include/llvm/Transforms/Scalar/LoopRotation.h

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2022-04-25 10:02:23 +02:00
//===- 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/LoopInfo.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Transforms/Scalar/LoopPassManager.h"
namespace llvm {
/// 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