| // 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_FACT_MANAGER_H_ |
| #define SOURCE_FUZZ_FACT_MANAGER_H_ |
| |
| #include <utility> |
| |
| #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" |
| #include "source/opt/constants.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| |
| // Keeps track of facts about the module being transformed on which the fuzzing |
| // process can depend. Some initial facts can be provided, for example about |
| // guarantees on the values of inputs to SPIR-V entry points. Transformations |
| // may then rely on these facts, can add further facts that they establish. |
| // Facts are intended to be simple properties that either cannot be deduced from |
| // the module (such as properties that are guaranteed to hold for entry point |
| // inputs), or that are established by transformations, likely to be useful for |
| // future transformations, and not completely trivial to deduce straight from |
| // the module. |
| class FactManager { |
| public: |
| FactManager(); |
| |
| ~FactManager(); |
| |
| // Adds all the facts from |facts|, checking them for validity with respect to |
| // |context|. Returns true if and only if all facts are valid. |
| bool AddFacts(const protobufs::FactSequence& facts, opt::IRContext* context); |
| |
| // Adds |fact| to the fact manager, checking it for validity with respect to |
| // |context|. Returns true if and only if the fact is valid. |
| bool AddFact(const protobufs::Fact& fact, opt::IRContext* context); |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // #define SOURCE_FUZZ_FACT_MANAGER_H_ |