1 // Copyright (c) 2018 The Khronos Group Inc. 2 // Copyright (c) 2018 Valve Corporation 3 // Copyright (c) 2018 LunarG Inc. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #ifndef SOURCE_OPT_COMPOSITE_H_ 18 #define SOURCE_OPT_COMPOSITE_H_ 19 20 #include <algorithm> 21 #include <map> 22 #include <unordered_map> 23 #include <unordered_set> 24 #include <utility> 25 #include <vector> 26 27 #include "source/opt/basic_block.h" 28 #include "source/opt/def_use_manager.h" 29 #include "source/opt/ir_context.h" 30 #include "source/opt/module.h" 31 32 namespace spvtools { 33 namespace opt { 34 35 // Return true if the extract indices in |extIndices| starting at |extOffset| 36 // match indices of insert |insInst|. 37 bool ExtInsMatch(const std::vector<uint32_t>& extIndices, 38 const Instruction* insInst, const uint32_t extOffset); 39 40 // Return true if indices in |extIndices| starting at |extOffset| and 41 // indices of insert |insInst| conflict, specifically, if the insert 42 // changes bits specified by the extract, but changes either more bits 43 // or less bits than the extract specifies, meaning the exact value being 44 // inserted cannot be used to replace the extract. 45 bool ExtInsConflict(const std::vector<uint32_t>& extIndices, 46 const Instruction* insInst, const uint32_t extOffset); 47 48 } // namespace opt 49 } // namespace spvtools 50 51 #endif // SOURCE_OPT_COMPOSITE_H_ 52
