LLVM  15.0.0git
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 
17 #include "llvm/IR/PassManager.h"
18 
19 namespace llvm {
20 class LPMUpdater;
21 class Loop;
22 
23 /// A simple loop rotation transformation.
24 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {
25 public:
26  LoopRotatePass(bool EnableHeaderDuplication = true,
27  bool PrepareForLTO = false);
30 
31 private:
32  const bool EnableHeaderDuplication;
33  const bool PrepareForLTO;
34 };
35 }
36 
37 #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:152
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:17
llvm::PassInfoMixin
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:371
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:24
llvm::LoopStandardAnalysisResults
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
Definition: LoopAnalysisManager.h:51
LoopAnalysisManager.h
llvm::LoopRotatePass::LoopRotatePass
LoopRotatePass(bool EnableHeaderDuplication=true, bool PrepareForLTO=false)
Definition: LoopRotation.cpp:41
llvm::LoopRotatePass::run
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
Definition: LoopRotation.cpp:45
llvm::LPMUpdater
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
Definition: LoopPassManager.h:262
PassManager.h
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition: InstructionSimplify.h:42