LLVM  4.0.0
LoopIdiomRecognize.h
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1 //===- LoopIdiomRecognize.h - Loop Idiom Recognize Pass -------*- 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 // This pass implements an idiom recognizer that transforms simple loops into a
11 // non-loop form. In cases that this kicks in, it can be a significant
12 // performance win.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPIDIOMRECOGNIZE_H
17 #define LLVM_TRANSFORMS_SCALAR_LOOPIDIOMRECOGNIZE_H
18 
19 #include "llvm/Analysis/LoopInfo.h"
20 #include "llvm/IR/PassManager.h"
22 
23 namespace llvm {
24 
25 /// Performs Loop Idiom Recognize Pass.
26 class LoopIdiomRecognizePass : public PassInfoMixin<LoopIdiomRecognizePass> {
27 public:
30 };
31 } // end namespace llvm
32 
33 #endif // LLVM_TRANSFORMS_SCALAR_LOOPIDIOMRECOGNIZE_H
MachineLoop * L
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...
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:311
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:107
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:368
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
Performs Loop Idiom Recognize Pass.