1 //===- LoopRotation.h - Loop Rotation -------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file provides the interface for the Loop Rotation pass. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 14 #define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 15 16 #include "llvm/Analysis/LoopInfo.h" 17 #include "llvm/IR/PassManager.h" 18 #include "llvm/Transforms/Scalar/LoopPassManager.h" 19 20 namespace llvm { 21 22 /// A simple loop rotation transformation. 23 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> { 24 public: 25 LoopRotatePass(bool EnableHeaderDuplication = true, 26 bool PrepareForLTO = false); 27 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, 28 LoopStandardAnalysisResults &AR, LPMUpdater &U); 29 30 private: 31 const bool EnableHeaderDuplication; 32 const bool PrepareForLTO; 33 }; 34 } 35 36 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 37