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https://github.com/KhronosGroup/SPIRV-Tools
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244e6c1be6
Adds a transformation that inserts a conditional statement with a boolean expression of arbitrary value and duplicates a given single-entry, single-exit region, so that it is present in each conditional branch and will be executed regardless of which branch will be taken. Fixes #3614.
43 lines
1.6 KiB
C++
43 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 SOURCE_FUZZ_FUZZER_PASS_DUPLICATE_REGIONS_WITH_SELECTIONS_H_
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#define SOURCE_FUZZ_FUZZER_PASS_DUPLICATE_REGIONS_WITH_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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// A fuzzer pass that iterates over the whole module. For each function it
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// finds a single-entry, single-exit region with its constructs and their merge
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// blocks either completely within or completely outside the region. It
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// duplicates this region using the corresponding transformation.
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class FuzzerPassDuplicateRegionsWithSelections : public FuzzerPass {
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public:
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FuzzerPassDuplicateRegionsWithSelections(
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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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~FuzzerPassDuplicateRegionsWithSelections() override;
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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_DUPLICATE_REGIONS_WITH_SELECTIONS_H_
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