| // 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_FUNCTION_CALL_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_FUNCTION_CALL_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 TransformationFunctionCall : public Transformation { |
| public: |
| explicit TransformationFunctionCall( |
| const protobufs::TransformationFunctionCall& message); |
| |
| TransformationFunctionCall( |
| uint32_t fresh_id, uint32_t callee_id, |
| const std::vector<uint32_t>& argument_id, |
| const protobufs::InstructionDescriptor& instruction_to_insert_before); |
| |
| // - |message_.fresh_id| must be fresh |
| // - |message_.instruction_to_insert_before| must identify an instruction |
| // before which an OpFunctionCall can be legitimately inserted |
| // - |message_.function_id| must be the id of a function, and calling the |
| // function before the identified instruction must not introduce recursion |
| // - |message_.arg_id| must provide suitable arguments for the function call |
| // (they must have the right types and be available according to dominance |
| // rules) |
| // - If the insertion point is not in a dead block then |message_function_id| |
| // must refer to a livesafe function, and every pointer argument in |
| // |message_.arg_id| must refer to an arbitrary-valued variable |
| bool IsApplicable( |
| opt::IRContext* ir_context, |
| const TransformationContext& transformation_context) const override; |
| |
| // Adds an instruction of the form: |
| // |fresh_id| = OpFunctionCall %type |callee_id| |arg_id...| |
| // before |instruction_to_insert_before|, where %type is the return type of |
| // |callee_id|. |
| 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::TransformationFunctionCall message_; |
| }; |
| |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_FUNCTION_CALL_H_ |