LLVM  9.0.0svn
LoopUnrollAndJamPass.h
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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 
13 #include "llvm/Analysis/LoopInfo.h"
14 #include "llvm/IR/PassManager.h"
15 
16 namespace llvm {
17 
18 class Loop;
19 struct LoopStandardAnalysisResults;
20 class LPMUpdater;
21 
22 /// A simple loop rotation transformation.
23 class LoopUnrollAndJamPass : public PassInfoMixin<LoopUnrollAndJamPass> {
24  const int OptLevel;
25 
26 public:
27  explicit LoopUnrollAndJamPass(int OptLevel = 2) : OptLevel(OptLevel) {}
30 };
31 
32 } // end namespace llvm
33 
34 #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
This header provides classes for managing per-loop analyses.
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
A simple loop rotation transformation.
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:510
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.