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https://github.com/KhronosGroup/SPIRV-Tools
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63 lines
2.3 KiB
C++
63 lines
2.3 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_TRANSFORMATION_REPLACE_ID_WITH_SYNONYM_H_
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#define SOURCE_FUZZ_TRANSFORMATION_REPLACE_ID_WITH_SYNONYM_H_
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation.h"
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#include "source/fuzz/transformation_context.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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class TransformationReplaceIdWithSynonym : public Transformation {
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public:
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explicit TransformationReplaceIdWithSynonym(
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protobufs::TransformationReplaceIdWithSynonym message);
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TransformationReplaceIdWithSynonym(
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protobufs::IdUseDescriptor id_use_descriptor, uint32_t synonymous_id);
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// - The fact manager must know that the id identified by
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// |message_.id_use_descriptor| is synonymous with |message_.synonymous_id|.
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// - Replacing the id in |message_.id_use_descriptor| by
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// |message_.synonymous_id| must respect SPIR-V's rules about uses being
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// dominated by their definitions.
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// - The id use must be replaceable in principle. See
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// fuzzerutil::IdUseCanBeReplaced for details.
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// - |fresh_id_for_temporary| must be 0.
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bool IsApplicable(
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opt::IRContext* ir_context,
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const TransformationContext& transformation_context) const override;
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// Replaces the use identified by |message_.id_use_descriptor| with the
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// synonymous id identified by |message_.synonymous_id|.
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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std::unordered_set<uint32_t> GetFreshIds() const override;
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protobufs::Transformation ToMessage() const override;
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private:
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protobufs::TransformationReplaceIdWithSynonym message_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_TRANSFORMATION_REPLACE_ID_WITH_SYNONYM_H_
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