include/llvm/Transforms/Scalar/LoopRotation.h

   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   PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
  27                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
  28
  29 private:
  30   const bool EnableHeaderDuplication;
  31 };
  32 }
  33
  34 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H