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https://github.com/KhronosGroup/SPIRV-Tools
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a711c594b8
Adds FuzzerPassAddCompositeInserts, which randomly adds new OpCompositeInsert instructions. Each OpCompositeInsert instruction yields a copy of an original composite with one subcomponent replaced with an existing or newly added object. Synonym facts are added for the unchanged components in the original and added composite, and for the replaced subcomponent and the object, if possible. Fixes #2859
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Copyright (c) 2020 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 SPIRV_TOOLS_FUZZER_PASS_ADD_COMPOSITE_INSERTS_H
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#define SPIRV_TOOLS_FUZZER_PASS_ADD_COMPOSITE_INSERTS_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 randomly adds new OpCompositeInsert instructions to
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// available values that have the composite type.
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class FuzzerPassAddCompositeInserts : public FuzzerPass {
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public:
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FuzzerPassAddCompositeInserts(
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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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~FuzzerPassAddCompositeInserts();
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void Apply() override;
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// Checks if any component of a composite is a pointer.
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static bool ContainsPointer(const opt::analysis::Type& type);
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// Checks if any component of a composite has type OpTypeRuntimeArray.
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static bool ContainsRuntimeArray(const opt::analysis::Type& type);
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SPIRV_TOOLS_FUZZER_PASS_ADD_COMPOSITE_INSERTS_H
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