LLVM  8.0.1
LoopRotation.h
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1 //===- LoopRotation.h - Loop Rotation -------------------------------------===//
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 // This file provides the interface for the Loop Rotation pass.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
15 #define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
16 
17 #include "llvm/Analysis/LoopInfo.h"
18 #include "llvm/IR/PassManager.h"
20 
21 namespace llvm {
22 
23 /// A simple loop rotation transformation.
24 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {
25 public:
26  LoopRotatePass(bool EnableHeaderDuplication = true);
29 
30 private:
31  const bool EnableHeaderDuplication;
32 };
33 }
34 
35 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
A simple loop rotation transformation.
Definition: LoopRotation.h:24
This class represents lattice values for constants.
Definition: AllocatorList.h:24
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:366
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:154
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:465
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.