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  1. //===- LoopUnrollAndJamPass.h -----------------------------------*- C++ -*-===//
  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. #ifndef LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
  10. #define LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
  11.  
  12. #include "llvm/Analysis/LoopAnalysisManager.h"
  13. #include "llvm/IR/PassManager.h"
  14.  
  15. namespace llvm {
  16. class LPMUpdater;
  17. class LoopNest;
  18.  
  19. /// A simple loop rotation transformation.
  20. class LoopUnrollAndJamPass : public PassInfoMixin<LoopUnrollAndJamPass> {
  21.   const int OptLevel;
  22.  
  23. public:
  24.   explicit LoopUnrollAndJamPass(int OptLevel = 2) : OptLevel(OptLevel) {}
  25.   PreservedAnalyses run(LoopNest &L, LoopAnalysisManager &AM,
  26.                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
  27. };
  28.  
  29. } // end namespace llvm
  30.  
  31. #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
  32.