| // Copyright (c) 2020 Google LLC |
| // |
| // 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 SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_INSERT_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_INSERT_H_ |
| |
| #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" |
| #include "source/fuzz/transformation.h" |
| #include "source/fuzz/transformation_context.h" |
| #include "source/opt/ir_context.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| |
| class TransformationCompositeInsert : public Transformation { |
| public: |
| explicit TransformationCompositeInsert( |
| const protobufs::TransformationCompositeInsert& message); |
| |
| TransformationCompositeInsert( |
| const protobufs::InstructionDescriptor& instruction_to_insert_before, |
| uint32_t fresh_id, uint32_t composite_id, uint32_t object_id, |
| const std::vector<uint32_t>& index); |
| |
| // - |message_.fresh_id| must be fresh. |
| // - |message_.composite_id| must refer to an existing composite value. |
| // - |message_.index| must refer to a correct index in the composite. |
| // - The type id of the object and the type id of the component of the |
| // composite at index |message_.index| must be the same. |
| // - |message_.instruction_to_insert_before| must refer to a defined |
| // instruction. |
| // - It must be possible to insert OpCompositeInsert before |
| // |instruction_to_insert_before|. |
| bool IsApplicable( |
| opt::IRContext* ir_context, |
| const TransformationContext& transformation_context) const override; |
| |
| // Adds an instruction OpCompositeInsert before |
| // |instruction_to_insert_before|, which creates a new composite from |
| // |composite_id| by inserting |object_id| at the specified |index|. |
| // Synonyms are created between those components which are identical in the |
| // original and the modified composite and between the inserted object and its |
| // copy in the modified composite. |
| void Apply(opt::IRContext* ir_context, |
| TransformationContext* transformation_context) const override; |
| |
| std::unordered_set<uint32_t> GetFreshIds() const override; |
| |
| protobufs::Transformation ToMessage() const override; |
| |
| // Checks if |instruction| is a instruction of a composite type supported by |
| // this transformation. |
| static bool IsCompositeInstructionSupported(opt::IRContext* ir_context, |
| opt::Instruction* instruction); |
| |
| private: |
| // Helper method for adding data synonym facts when applying the |
| // transformation to |ir_context| and |transformation_context|. |
| void AddDataSynonymFacts(opt::IRContext* ir_context, |
| TransformationContext* transformation_context) const; |
| |
| protobufs::TransformationCompositeInsert message_; |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_INSERT_H_ |