LLVM  8.0.0svn
LoopUnrollAndJamPass.h
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1 //===- LoopUnrollAndJamPass.h -----------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
11 #define LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
12 
14 #include "llvm/Analysis/LoopInfo.h"
15 #include "llvm/IR/PassManager.h"
16 
17 namespace llvm {
18 
19 class Loop;
20 struct LoopStandardAnalysisResults;
21 class LPMUpdater;
22 
23 /// A simple loop rotation transformation.
24 class LoopUnrollAndJamPass : public PassInfoMixin<LoopUnrollAndJamPass> {
25  const int OptLevel;
26 
27 public:
28  explicit LoopUnrollAndJamPass(int OptLevel = 2) : OptLevel(OptLevel) {}
31 };
32 
33 } // end namespace llvm
34 
35 #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLANDJAMPASS_H
This class represents lattice values for constants.
Definition: AllocatorList.h:24
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:366
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:154
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:459
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.