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https://github.com/KhronosGroup/SPIRV-Tools
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56 lines
2.0 KiB
C++
56 lines
2.0 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_WRAP_REGIONS_IN_SELECTIONS_H_
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#define SOURCE_FUZZ_FUZZER_PASS_WRAP_REGIONS_IN_SELECTIONS_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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// Randomly wraps a region of blocks in every function into a selection
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// construct.
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class FuzzerPassWrapRegionsInSelections : public FuzzerPass {
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public:
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FuzzerPassWrapRegionsInSelections(
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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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~FuzzerPassWrapRegionsInSelections() override;
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void Apply() override;
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private:
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// Tries to adjust |header_block_candidate| such that
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// TransformationWrapRegionInSelection has higher chances of being
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// applied. In particular, tries to split |header_block_candidate| if it's
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// already a header block of some other construct.
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opt::BasicBlock* MaybeGetHeaderBlockCandidate(
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opt::BasicBlock* header_block_candidate);
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// Tries to adjust |merge_block_candidate| such that
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// TransformationWrapRegionInSelection has higher chances of being
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// applied. In particular, tries to split |merge_block_candidate| if it's
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// already a merge block of some other construct.
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opt::BasicBlock* MaybeGetMergeBlockCandidate(
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opt::BasicBlock* merge_block_candidate);
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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_WRAP_REGIONS_IN_SELECTIONS_H_
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