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