| // 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_LOAD_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_LOAD_H_ |
| |
| #include "source/fuzz/fact_manager.h" |
| #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" |
| #include "source/fuzz/transformation.h" |
| #include "source/opt/ir_context.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| |
| class TransformationLoad : public Transformation { |
| public: |
| explicit TransformationLoad(const protobufs::TransformationLoad& message); |
| |
| TransformationLoad( |
| uint32_t fresh_id, uint32_t pointer_id, |
| const protobufs::InstructionDescriptor& instruction_to_insert_before); |
| |
| // - |message_.fresh_id| must be fresh |
| // - |message_.pointer_id| must be the id of a pointer |
| // - The pointer must not be OpConstantNull or OpUndef |
| // - |message_.instruction_to_insert_before| must identify an instruction |
| // before which it is valid to insert an OpLoad, and where |
| // |message_.pointer_id| is available (according to dominance rules) |
| bool IsApplicable(opt::IRContext* context, |
| const FactManager& fact_manager) const override; |
| |
| // Adds an instruction of the form: |
| // |message_.fresh_id| = OpLoad %type |message_.pointer_id| |
| // before the instruction identified by |
| // |message_.instruction_to_insert_before|, where %type is the pointer's |
| // pointee type. |
| void Apply(opt::IRContext* context, FactManager* fact_manager) const override; |
| |
| protobufs::Transformation ToMessage() const override; |
| |
| private: |
| protobufs::TransformationLoad message_; |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_LOAD_H_ |