| // 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_STORE_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_STORE_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 TransformationStore : public Transformation { |
| public: |
| explicit TransformationStore(protobufs::TransformationStore message); |
| |
| TransformationStore( |
| uint32_t pointer_id, bool is_atomic, uint32_t memory_scope, |
| uint32_t memory_semantics, uint32_t value_id, |
| const protobufs::InstructionDescriptor& instruction_to_insert_before); |
| |
| // - |message_.pointer_id| must be the id of a pointer |
| // - The pointer type must not have read-only storage class |
| // - The pointer must not be OpConstantNull or OpUndef |
| // - |message_.is_atomic| must be true if want to work with OpAtomicStore. |
| // - If |is_atomic| is true then |message_memory_scope_id| must be the id of |
| // an OpConstant 32 bit integer instruction with the value |
| // SpvScopeInvocation. |
| // - If |is_atomic| is true then |message_.memory_semantics_id| must be the id |
| // of an OpConstant 32 bit integer instruction with the values |
| // SpvMemorySemanticsWorkgroupMemoryMask or |
| // SpvMemorySemanticsUniformMemoryMask. |
| // - |message_.value_id| must be an instruction result id that has the same |
| // type as the pointee type of |message_.pointer_id| |
| // - |message_.instruction_to_insert_before| must identify an instruction |
| // before which it is valid to insert an OpStore, and where both |
| // |message_.pointer_id| and |message_.value_id| are available (according |
| // to dominance rules) |
| // - Either the insertion point must be in a dead block, or it must be known |
| // that the pointee value of |message_.pointer_id| is irrelevant |
| bool IsApplicable( |
| opt::IRContext* ir_context, |
| const TransformationContext& transformation_context) const override; |
| |
| // Adds an instruction of the form: |
| // OpStore |pointer_id| |value_id| |
| // before the instruction identified by |
| // |message_.instruction_to_insert_before|. |
| 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::TransformationStore message_; |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_STORE_H_ |