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Some transformations (e.g. TransformationAddFunction) rely on running the validator to decide whether the transformation is applicable. A recent change allowed spirv-fuzz to take validator options, to cater for the case where a module should be considered valid under particular conditions. However, validation during the checking of transformations had no access to these validator options. This change introduced TransformationContext, which currently consists of a fact manager and a set of validator options, but could in the future have other fields corresponding to other objects that it is useful to have access to when applying transformations. Now, instead of checking and applying transformations in the context of a FactManager, a TransformationContext is used. This gives access to the fact manager as before, and also access to the validator options when they are needed.
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
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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_PERMUTE_FUNCTION_PARAMETERS_H_
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#define SOURCE_FUZZ_FUZZER_PASS_PERMUTE_FUNCTION_PARAMETERS_H_
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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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// Fuzzer pass that, given a non-entry-point function taking n parameters
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// and a permutation of the set [0, n - 1]:
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// 1. Introduces a new function type that is the same as the original
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// function's type but with the order of arguments permuted
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// (only add this if it doesn't already exist)
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// 2. Changes the type of the function to this type
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// 3. Adjusts all calls to the function so that their arguments are permuted
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class FuzzerPassPermuteFunctionParameters : public FuzzerPass {
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public:
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FuzzerPassPermuteFunctionParameters(
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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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~FuzzerPassPermuteFunctionParameters();
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void Apply() override;
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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_PERMUTE_FUNCTION_PARAMETERS_H_
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