1 //===- LoopRotation.h - Loop Rotation -------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file provides the interface for the Loop Rotation pass. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 15 #define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 16 17 #include "llvm/Analysis/LoopInfo.h" 18 #include "llvm/IR/PassManager.h" 19 #include "llvm/Transforms/Scalar/LoopPassManager.h" 20 21 namespace llvm { 22 23 /// A simple loop rotation transformation. 24 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> { 25 public: 26 LoopRotatePass(bool EnableHeaderDuplication = true); 27 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, 28 LoopStandardAnalysisResults &AR, LPMUpdater &U); 29 30 private: 31 const bool EnableHeaderDuplication; 32 }; 33 } 34 35 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H 36
