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Diffstat (limited to '3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_composite_construct.h')
-rw-r--r-- | 3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_composite_construct.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_composite_construct.h b/3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_composite_construct.h new file mode 100644 index 00000000000..5369c4c8993 --- /dev/null +++ b/3rdparty/bgfx/3rdparty/spirv-tools/source/fuzz/transformation_composite_construct.h @@ -0,0 +1,88 @@ +// Copyright (c) 2019 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#ifndef SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_CONSTRUCT_H_ +#define SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_CONSTRUCT_H_ + +#include "source/fuzz/fact_manager.h" +#include "source/fuzz/protobufs/spirvfuzz_protobufs.h" +#include "source/fuzz/transformation.h" +#include "source/opt/ir_context.h" + +namespace spvtools { +namespace fuzz { + +class TransformationCompositeConstruct : public Transformation { + public: + explicit TransformationCompositeConstruct( + const protobufs::TransformationCompositeConstruct& message); + + TransformationCompositeConstruct( + uint32_t composite_type_id, std::vector<uint32_t> component, + const protobufs::InstructionDescriptor& instruction_to_insert_before, + uint32_t fresh_id); + + // - |message_.fresh_id| must not be used by the module. + // - |message_.composite_type_id| must be the id of a composite type + // - The elements of |message_.component| must be result ids that are + // suitable for constructing an element of the given composite type, in + // order + // - The elements of |message_.component| must not be the target of any + // decorations. + // - |message_.base_instruction_id| must be the result id of an instruction + // 'base' in some block 'blk'. + // - 'blk' must contain an instruction 'inst' located |message_.offset| + // instructions after 'base' (if |message_.offset| = 0 then 'inst' = + // 'base'). + // - It must be legal to insert an OpCompositeConstruct instruction directly + // before 'inst'. + // - Each element of |message_.component| must be available directly before + // 'inst'. + bool IsApplicable(opt::IRContext* context, + const FactManager& fact_manager) const override; + + // Inserts a new OpCompositeConstruct instruction, with id + // |message_.fresh_id|, directly before the instruction identified by + // |message_.base_instruction_id| and |message_.offset|. The instruction + // creates a composite of type |message_.composite_type_id| using the ids of + // |message_.component|. + void Apply(opt::IRContext* context, FactManager* fact_manager) const override; + + protobufs::Transformation ToMessage() const override; + + private: + // Helper to decide whether the components of the transformation are suitable + // for constructing an array of the given type. + bool ComponentsForArrayConstructionAreOK( + opt::IRContext* context, const opt::analysis::Array& array_type) const; + + // Similar, but for matrices. + bool ComponentsForMatrixConstructionAreOK( + opt::IRContext* context, const opt::analysis::Matrix& matrix_type) const; + + // Similar, but for structs. + bool ComponentsForStructConstructionAreOK( + opt::IRContext* context, const opt::analysis::Struct& struct_type) const; + + // Similar, but for vectors. + bool ComponentsForVectorConstructionAreOK( + opt::IRContext* context, const opt::analysis::Vector& vector_type) const; + + protobufs::TransformationCompositeConstruct message_; +}; + +} // namespace fuzz +} // namespace spvtools + +#endif // SOURCE_FUZZ_TRANSFORMATION_COMPOSITE_CONSTRUCT_H_ |