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https://github.com/KhronosGroup/SPIRV-Tools
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c0833ce620
Subclasses of FuzzerPass no longer needlessly override the default destructor of FuzzerPass.
50 lines
2.0 KiB
C++
50 lines
2.0 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_APPLY_ID_SYNONYMS_H_
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#define SOURCE_FUZZ_FUZZER_PASS_APPLY_ID_SYNONYMS_H_
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#include "source/fuzz/fuzzer_pass.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace fuzz {
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// A pass that replaces ids with other ids, or accesses into structures, that
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// are known to hold the same values.
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class FuzzerPassApplyIdSynonyms : public FuzzerPass {
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public:
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FuzzerPassApplyIdSynonyms(opt::IRContext* ir_context,
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TransformationContext* transformation_context,
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FuzzerContext* fuzzer_context,
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protobufs::TransformationSequence* transformations);
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void Apply() override;
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private:
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// Returns true if uses of |dd1| can be replaced with |dd2| and vice-versa
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// with respect to the type. Concretely, returns true if |dd1| and |dd2| have
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// the same type or both |dd1| and |dd2| are either a numerical or a vector
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// type of integral components with possibly different signedness.
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bool DataDescriptorsHaveCompatibleTypes(SpvOp opcode,
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uint32_t use_in_operand_index,
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const protobufs::DataDescriptor& dd1,
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const protobufs::DataDescriptor& dd2);
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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_APPLY_ID_SYNONYMS_H_
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