| // Copyright (c) 2019 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_ADD_GLOBAL_VARIABLE_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_VARIABLE_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 TransformationAddGlobalVariable : public Transformation { |
| public: |
| explicit TransformationAddGlobalVariable( |
| protobufs::TransformationAddGlobalVariable message); |
| |
| TransformationAddGlobalVariable(uint32_t fresh_id, uint32_t type_id, |
| SpvStorageClass storage_class, |
| uint32_t initializer_id, |
| bool value_is_irrelevant); |
| |
| // - |message_.fresh_id| must be fresh |
| // - |message_.type_id| must be the id of a pointer type with the same storage |
| // class as |message_.storage_class| |
| // - |message_.storage_class| must be Private or Workgroup |
| // - |message_.initializer_id| must be 0 if |message_.storage_class| is |
| // Workgroup, and otherwise may either be 0 or the id of a constant whose |
| // type is the pointee type of |message_.type_id| |
| bool IsApplicable( |
| opt::IRContext* ir_context, |
| const TransformationContext& transformation_context) const override; |
| |
| // Adds a global variable with storage class |message_.storage_class| to the |
| // module, with type |message_.type_id| and either no initializer or |
| // |message_.initializer_id| as an initializer, depending on whether |
| // |message_.initializer_id| is 0. The global variable has result id |
| // |message_.fresh_id|. |
| // |
| // If |message_.value_is_irrelevant| holds, adds a corresponding fact to the |
| // fact manager in |transformation_context|. |
| void Apply(opt::IRContext* ir_context, |
| TransformationContext* transformation_context) const override; |
| |
| std::unordered_set<uint32_t> GetFreshIds() const override; |
| |
| protobufs::Transformation ToMessage() const override; |
| |
| private: |
| protobufs::TransformationAddGlobalVariable message_; |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_VARIABLE_H_ |