LLVM  10.0.0svn
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);
28 
29 private:
30  const bool EnableHeaderDuplication;
31 };
32 }
33 
34 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
A simple loop rotation transformation.
Definition: LoopRotation.h:23
This class represents lattice values for constants.
Definition: AllocatorList.h:23
This header provides classes for managing a pipeline of passes over loops in LLVM IR...
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
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:506
LoopRotatePass(bool EnableHeaderDuplication=true)
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.