1 // Copyright (c) 2017 Google Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ 16 #define LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ 17 18 #include <unordered_map> 19 20 #include "source/spirv_stats.h" 21 22 class StatsAnalyzer { 23 public: 24 explicit StatsAnalyzer(const libspirv::SpirvStats& stats); 25 26 // Writes respective histograms to |out|. 27 void WriteVersion(std::ostream& out); 28 void WriteGenerator(std::ostream& out); 29 void WriteCapability(std::ostream& out); 30 void WriteExtension(std::ostream& out); 31 void WriteOpcode(std::ostream& out); 32 void WriteConstantLiterals(std::ostream& out); 33 34 // Writes first order Markov analysis to |out|. 35 // stats_.opcode_markov_hist needs to contain raw data for at least one 36 // level. 37 void WriteOpcodeMarkov(std::ostream& out); 38 39 private: 40 const libspirv::SpirvStats& stats_; 41 42 uint32_t num_modules_; 43 44 std::unordered_map<uint32_t, double> version_freq_; 45 std::unordered_map<uint32_t, double> generator_freq_; 46 std::unordered_map<uint32_t, double> capability_freq_; 47 std::unordered_map<std::string, double> extension_freq_; 48 std::unordered_map<uint32_t, double> opcode_freq_; 49 }; 50 51 52 #endif // LIBSPIRV_TOOLS_STATS_STATS_ANALYZER_H_ 53