| 1 | //===- UniformityAnalysis.h ---------------------*- C++ -*-----------------===// |
|---|---|
| 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 | /// \file |
| 10 | /// \brief LLVM IR instance of the generic uniformity analysis |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_ANALYSIS_UNIFORMITYANALYSIS_H |
| 15 | #define LLVM_ANALYSIS_UNIFORMITYANALYSIS_H |
| 16 | |
| 17 | #include "llvm/ADT/GenericUniformityInfo.h" |
| 18 | #include "llvm/Analysis/CycleAnalysis.h" |
| 19 | |
| 20 | namespace llvm { |
| 21 | |
| 22 | extern template class GenericUniformityInfo<SSAContext>; |
| 23 | using UniformityInfo = GenericUniformityInfo<SSAContext>; |
| 24 | |
| 25 | /// Analysis pass which computes \ref UniformityInfo. |
| 26 | class UniformityInfoAnalysis |
| 27 | : public AnalysisInfoMixin<UniformityInfoAnalysis> { |
| 28 | friend AnalysisInfoMixin<UniformityInfoAnalysis>; |
| 29 | static AnalysisKey Key; |
| 30 | |
| 31 | public: |
| 32 | /// Provide the result typedef for this analysis pass. |
| 33 | using Result = UniformityInfo; |
| 34 | |
| 35 | /// Run the analysis pass over a function and produce a dominator tree. |
| 36 | UniformityInfo run(Function &F, FunctionAnalysisManager &); |
| 37 | |
| 38 | // TODO: verify analysis |
| 39 | }; |
| 40 | |
| 41 | /// Printer pass for the \c UniformityInfo. |
| 42 | class UniformityInfoPrinterPass |
| 43 | : public PassInfoMixin<UniformityInfoPrinterPass> { |
| 44 | raw_ostream &OS; |
| 45 | |
| 46 | public: |
| 47 | explicit UniformityInfoPrinterPass(raw_ostream &OS); |
| 48 | |
| 49 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
| 50 | |
| 51 | static bool isRequired() { return true; } |
| 52 | }; |
| 53 | |
| 54 | /// Legacy analysis pass which computes a \ref CycleInfo. |
| 55 | class UniformityInfoWrapperPass : public FunctionPass { |
| 56 | Function *m_function = nullptr; |
| 57 | UniformityInfo m_uniformityInfo; |
| 58 | |
| 59 | public: |
| 60 | static char ID; |
| 61 | |
| 62 | UniformityInfoWrapperPass(); |
| 63 | |
| 64 | UniformityInfo &getUniformityInfo() { return m_uniformityInfo; } |
| 65 | const UniformityInfo &getUniformityInfo() const { return m_uniformityInfo; } |
| 66 | |
| 67 | bool runOnFunction(Function &F) override; |
| 68 | void getAnalysisUsage(AnalysisUsage &AU) const override; |
| 69 | void releaseMemory() override; |
| 70 | void print(raw_ostream &OS, const Module *M = nullptr) const override; |
| 71 | |
| 72 | // TODO: verify analysis |
| 73 | }; |
| 74 | |
| 75 | } // namespace llvm |
| 76 | |
| 77 | #endif // LLVM_ANALYSIS_UNIFORMITYANALYSIS_H |
| 78 |