| // Copyright (c) 2017 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ |
| #define LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ |
| |
| #include <unordered_map> |
| |
| #include "source/spirv_stats.h" |
| |
| class StatsAnalyzer { |
| public: |
| explicit StatsAnalyzer(const spvtools::SpirvStats& stats); |
| |
| // Writes respective histograms to |out|. |
| void WriteVersion(std::ostream& out); |
| void WriteGenerator(std::ostream& out); |
| void WriteCapability(std::ostream& out); |
| void WriteExtension(std::ostream& out); |
| void WriteOpcode(std::ostream& out); |
| void WriteConstantLiterals(std::ostream& out); |
| |
| // Writes first order Markov analysis to |out|. |
| // stats_.opcode_markov_hist needs to contain raw data for at least one |
| // level. |
| void WriteOpcodeMarkov(std::ostream& out); |
| |
| // Writes C++ code containing a function returning opcode histogram. |
| void WriteCodegenOpcodeHist(std::ostream& out); |
| |
| // Writes C++ code containing a function returning opcode_and_num_operands |
| // histogram. |
| void WriteCodegenOpcodeAndNumOperandsHist(std::ostream& out); |
| |
| // Writes C++ code containing a function returning a map of Huffman codecs |
| // for opcode_and_num_operands. Each Huffman codec is created for a specific |
| // previous opcode. |
| // TODO(atgoo@github.com) Write code which would contain pregenerated Huffman |
| // codecs, instead of code which would generate them every time. |
| void WriteCodegenOpcodeAndNumOperandsMarkovHuffmanCodecs(std::ostream& out); |
| |
| // Writes C++ code containing a function returning a map of Huffman codecs |
| // for literal strings. Each Huffman codec is created for a specific opcode. |
| // I.e. OpExtension and OpExtInstImport would use different codecs. |
| void WriteCodegenLiteralStringHuffmanCodecs(std::ostream& out); |
| |
| // Writes C++ code containing a function returning a map of Huffman codecs |
| // for single-word non-id operands. Each Huffman codec is created for a |
| // specific operand slot (opcode and operand number). |
| void WriteCodegenNonIdWordHuffmanCodecs(std::ostream& out); |
| |
| // Writes C++ code containing a function returning a map of Huffman codecs |
| // for common id descriptors. Each Huffman codec is created for a |
| // specific operand slot (opcode and operand number). |
| void WriteCodegenIdDescriptorHuffmanCodecs(std::ostream& out); |
| |
| private: |
| const spvtools::SpirvStats& stats_; |
| |
| uint32_t num_modules_; |
| |
| std::unordered_map<uint32_t, double> version_freq_; |
| std::unordered_map<uint32_t, double> generator_freq_; |
| std::unordered_map<uint32_t, double> capability_freq_; |
| std::unordered_map<std::string, double> extension_freq_; |
| std::unordered_map<uint32_t, double> opcode_freq_; |
| }; |
| |
| #endif // LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ |