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https://github.com/KhronosGroup/SPIRV-Tools
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80 lines
3.2 KiB
C++
80 lines
3.2 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_TRANSFORMATION_COMPOSITE_INSERT_H_
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#define SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_INSERT_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 TransformationCompositeInsert : public Transformation {
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public:
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explicit TransformationCompositeInsert(
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const protobufs::TransformationCompositeInsert& message);
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TransformationCompositeInsert(
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const protobufs::InstructionDescriptor& instruction_to_insert_before,
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uint32_t fresh_id, uint32_t composite_id, uint32_t object_id,
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const std::vector<uint32_t>& index);
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// - |message_.fresh_id| must be fresh.
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// - |message_.composite_id| must refer to an existing composite value.
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// - |message_.index| must refer to a correct index in the composite.
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// - The type id of the object and the type id of the component of the
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// composite at index |message_.index| must be the same.
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// - |message_.instruction_to_insert_before| must refer to a defined
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// instruction.
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// - It must be possible to insert OpCompositeInsert before
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// |instruction_to_insert_before|.
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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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// Adds an instruction OpCompositeInsert before
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// |instruction_to_insert_before|, which creates a new composite from
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// |composite_id| by inserting |object_id| at the specified |index|.
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// Synonyms are created between those components which are identical in the
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// original and the modified composite and between the inserted object and its
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// copy in the modified composite.
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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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// Checks if |instruction| is a instruction of a composite type supported by
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// this transformation.
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static bool IsCompositeInstructionSupported(opt::IRContext* ir_context,
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opt::Instruction* instruction);
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private:
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// Helper method for adding data synonym facts when applying the
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// transformation to |ir_context| and |transformation_context|.
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void AddDataSynonymFacts(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const;
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protobufs::TransformationCompositeInsert 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_COMPOSITE_INSERT_H_
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