LLVM  13.0.0git
LoopRotation.h
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1 //===- LoopRotation.h - Loop Rotation -------------------------------------===//
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 // This file provides the interface for the Loop Rotation pass.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
14 #define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
15 
16 #include "llvm/Analysis/LoopInfo.h"
17 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 
22 /// A simple loop rotation transformation.
23 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {
24 public:
25  LoopRotatePass(bool EnableHeaderDuplication = true,
26  bool PrepareForLTO = false);
29 
30 private:
31  const bool EnableHeaderDuplication;
32  const bool PrepareForLTO;
33 };
34 }
35 
36 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
llvm::PreservedAnalyses
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:155
llvm
Definition: AllocatorList.h:23
llvm::PassInfoMixin
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:374
llvm::Loop
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:530
llvm::LoopRotatePass
A simple loop rotation transformation.
Definition: LoopRotation.h:23
llvm::LoopStandardAnalysisResults
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
Definition: LoopAnalysisManager.h:52
llvm::LoopRotatePass::LoopRotatePass
LoopRotatePass(bool EnableHeaderDuplication=true, bool PrepareForLTO=false)
Definition: LoopRotation.cpp:43
llvm::LoopRotatePass::run
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
Definition: LoopRotation.cpp:47
LoopInfo.h
llvm::LPMUpdater
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
Definition: LoopPassManager.h:243
LoopPassManager.h
PassManager.h
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition: InstructionSimplify.h:44