| // Copyright (c) 2018 The Khronos Group Inc. |
| // Copyright (c) 2018 Valve Corporation |
| // Copyright (c) 2018 LunarG 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_UTIL_COMPOSITE_PASS_H_ |
| #define LIBSPIRV_UTIL_COMPOSITE_PASS_H_ |
| |
| #include <algorithm> |
| #include <map> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <utility> |
| |
| #include "basic_block.h" |
| #include "def_use_manager.h" |
| #include "ir_context.h" |
| #include "module.h" |
| |
| namespace spvtools { |
| namespace opt { |
| |
| // Return true if the extract indices in |extIndices| starting at |extOffset| |
| // match indices of insert |insInst|. |
| bool ExtInsMatch(const std::vector<uint32_t>& extIndices, |
| const Instruction* insInst, const uint32_t extOffset); |
| |
| // Return true if indices in |extIndices| starting at |extOffset| and |
| // indices of insert |insInst| conflict, specifically, if the insert |
| // changes bits specified by the extract, but changes either more bits |
| // or less bits than the extract specifies, meaning the exact value being |
| // inserted cannot be used to replace the extract. |
| bool ExtInsConflict(const std::vector<uint32_t>& extIndices, |
| const Instruction* insInst, const uint32_t extOffset); |
| |
| } // namespace opt |
| } // namespace spvtools |
| |
| #endif // LIBSPIRV_UTIL_COMPOSITE_PASS_H_ |