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https://gitee.com/openharmony/third_party_spirv-tools
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71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SOURCE_FUZZ_FUZZER_PASS_CONSTRUCT_COMPOSITES_H_
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#define SOURCE_FUZZ_FUZZER_PASS_CONSTRUCT_COMPOSITES_H_
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#include <unordered_map>
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#include <vector>
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#include "source/fuzz/fuzzer_pass.h"
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namespace spvtools {
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namespace fuzz {
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// A fuzzer pass for constructing composite objects from smaller objects.
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class FuzzerPassConstructComposites : public FuzzerPass {
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public:
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FuzzerPassConstructComposites(
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opt::IRContext* ir_context, TransformationContext* transformation_context,
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FuzzerContext* fuzzer_context,
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protobufs::TransformationSequence* transformations,
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bool ignore_inapplicable_transformations);
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void Apply() override;
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private:
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// Used to map a type id to the ids of relevant instructions of the type.
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using TypeIdToInstructions =
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std::unordered_map<uint32_t, std::vector<uint32_t>>;
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// Requires that |array_type_instruction| has opcode OpTypeArray.
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// Attempts to find suitable instruction result ids from the values of
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// |type_id_to_available_instructions| that would allow a composite of type
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// |array_type_instruction| to be constructed. Returns said ids if they can
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// be found and an empty vector otherwise.
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std::vector<uint32_t> FindComponentsToConstructArray(
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const opt::Instruction& array_type_instruction,
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const TypeIdToInstructions& type_id_to_available_instructions);
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// Similar to FindComponentsToConstructArray, but for matrices.
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std::vector<uint32_t> FindComponentsToConstructMatrix(
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const opt::Instruction& matrix_type_instruction,
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const TypeIdToInstructions& type_id_to_available_instructions);
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// Similar to FindComponentsToConstructArray, but for structs.
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std::vector<uint32_t> FindComponentsToConstructStruct(
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const opt::Instruction& struct_type_instruction,
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const TypeIdToInstructions& type_id_to_available_instructions);
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// Similar to FindComponentsToConstructArray, but for vectors.
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std::vector<uint32_t> FindComponentsToConstructVector(
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const opt::Instruction& vector_type_instruction,
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const TypeIdToInstructions& type_id_to_available_instructions);
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_FUZZER_PASS_CONSTRUCT_COMPOSITES_H_
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