mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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bed84792f9
Adapts all transformation classes so that their protobuf message is passed by value and then moved into the message_ field.
105 lines
4.1 KiB
C++
105 lines
4.1 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_COMPOSITE_CONSTRUCT_H_
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#define SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_CONSTRUCT_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 TransformationCompositeConstruct : public Transformation {
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public:
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explicit TransformationCompositeConstruct(
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protobufs::TransformationCompositeConstruct message);
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TransformationCompositeConstruct(
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uint32_t composite_type_id, std::vector<uint32_t> component,
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const protobufs::InstructionDescriptor& instruction_to_insert_before,
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uint32_t fresh_id);
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// - |message_.fresh_id| must not be used by the module.
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// - |message_.composite_type_id| must be the id of a composite type
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// - The elements of |message_.component| must be result ids that are
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// suitable for constructing an element of the given composite type, in
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// order
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// - The elements of |message_.component| must not be the target of any
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// decorations.
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// - |message_.base_instruction_id| must be the result id of an instruction
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// 'base' in some block 'blk'.
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// - 'blk' must contain an instruction 'inst' located |message_.offset|
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// instructions after 'base' (if |message_.offset| = 0 then 'inst' =
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// 'base').
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// - It must be legal to insert an OpCompositeConstruct instruction directly
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// before 'inst'.
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// - Each element of |message_.component| must be available directly before
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// 'inst'.
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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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// Inserts a new OpCompositeConstruct instruction, with id
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// |message_.fresh_id|, directly before the instruction identified by
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// |message_.base_instruction_id| and |message_.offset|. The instruction
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// creates a composite of type |message_.composite_type_id| using the ids of
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// |message_.component|.
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//
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// Synonym facts are added between the elements of the resulting composite
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// and the components used to construct it, as long as the associated ids
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// support synonym creation.
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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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// Helper to decide whether the components of the transformation are suitable
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// for constructing an array of the given type.
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bool ComponentsForArrayConstructionAreOK(
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opt::IRContext* ir_context, const opt::analysis::Array& array_type) const;
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// Similar, but for matrices.
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bool ComponentsForMatrixConstructionAreOK(
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opt::IRContext* ir_context,
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const opt::analysis::Matrix& matrix_type) const;
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// Similar, but for structs.
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bool ComponentsForStructConstructionAreOK(
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opt::IRContext* ir_context,
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const opt::analysis::Struct& struct_type) const;
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// Similar, but for vectors.
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bool ComponentsForVectorConstructionAreOK(
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opt::IRContext* ir_context,
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const opt::analysis::Vector& vector_type) const;
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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::TransformationCompositeConstruct 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_CONSTRUCT_H_
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