| // Copyright (c) 2017 Pierre Moreau |
| // |
| // 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_OPT_REMOVE_DUPLICATES_PASS_H_ |
| #define LIBSPIRV_OPT_REMOVE_DUPLICATES_PASS_H_ |
| |
| #include <unordered_map> |
| |
| #include "decoration_manager.h" |
| #include "def_use_manager.h" |
| #include "ir_context.h" |
| #include "module.h" |
| #include "pass.h" |
| |
| namespace spvtools { |
| namespace opt { |
| |
| using IdDecorationsList = |
| std::unordered_map<uint32_t, std::vector<ir::Instruction*>>; |
| |
| // See optimizer.hpp for documentation. |
| class RemoveDuplicatesPass : public Pass { |
| public: |
| const char* name() const override { return "remove-duplicates"; } |
| Status Process(ir::IRContext*) override; |
| // TODO(pierremoreau): Move this function somewhere else (e.g. pass.h or |
| // within the type manager) |
| // Returns whether two types are equal, and have the same decorations. |
| static bool AreTypesEqual(const ir::Instruction& inst1, |
| const ir::Instruction& inst2, |
| ir::IRContext* context); |
| |
| private: |
| // Remove duplicate capabilities from the module attached to |ir_context|. |
| // |
| // Returns true if the module was modified, false otherwise. |
| bool RemoveDuplicateCapabilities(ir::IRContext* ir_context) const; |
| // Remove duplicate extended instruction imports from the module attached to |
| // |ir_context|. |
| // |
| // Returns true if the module was modified, false otherwise. |
| bool RemoveDuplicatesExtInstImports(ir::IRContext* ir_context) const; |
| // Remove duplicate types from the module attached to |ir_context|. |
| // |
| // Returns true if the module was modified, false otherwise. |
| bool RemoveDuplicateTypes(ir::IRContext* ir_context) const; |
| // Remove duplicate decorations from the module attached to |ir_context|. |
| // |
| // Returns true if the module was modified, false otherwise. |
| bool RemoveDuplicateDecorations(ir::IRContext* ir_context) const; |
| }; |
| |
| } // namespace opt |
| } // namespace spvtools |
| |
| #endif // LIBSPIRV_OPT_REMOVE_DUPLICATES_PASS_H_ |