Transforms/Scalar/LoopUnrollAndJamPass.h

0001 //===- LoopUnrollAndJamPass.h -----------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
0010 #define LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
0011
0012 #include "llvm/Analysis/LoopAnalysisManager.h"
0013 #include "llvm/IR/PassManager.h"
0014
0015 namespace llvm {
0016 class LPMUpdater;
0017 class LoopNest;
0018
0019 /// A simple loop rotation transformation.
0020 class LoopUnrollAndJamPass : public PassInfoMixin<LoopUnrollAndJamPass> {
0021   const int OptLevel;
0022
0023 public:
0024   explicit LoopUnrollAndJamPass(int OptLevel = 2) : OptLevel(OptLevel) {}
0025   PreservedAnalyses run(LoopNest &L, LoopAnalysisManager &AM,
0026                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
0027 };
0028
0029 } // end namespace llvm
0030
0031 #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H