1 | //===- UniformityAnalysis.h ---------------------*- C++ -*-----------------===// |
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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 |