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https://github.com/KhronosGroup/SPIRV-Tools
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71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
// Copyright (c) 2020 André Perez Maselco
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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_PUSH_ID_THROUGH_VARIABLE_H_
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#define SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_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 TransformationPushIdThroughVariable : public Transformation {
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public:
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explicit TransformationPushIdThroughVariable(
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const protobufs::TransformationPushIdThroughVariable& message);
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TransformationPushIdThroughVariable(
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uint32_t value_id, uint32_t value_synonym_fresh_id,
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uint32_t variable_fresh_id, uint32_t variable_storage_class,
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uint32_t initializer_id,
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const protobufs::InstructionDescriptor& instruction_descriptor);
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// - |message_.value_id| must be an instruction result id that has the same
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// type as the pointee type of |message_.pointer_id|
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// - |message_.value_synonym_id| must be fresh
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// - |message_.variable_id| must be fresh
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// - |message_.variable_storage_class| must be either StorageClassPrivate or
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// StorageClassFunction
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// - |message_.initializer_id| must be a result id of some constant in the
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// module. Its type must be equal to the pointee type of the variable that
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// will be created.
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// - |message_.instruction_descriptor| must identify an instruction
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// which it is valid to insert the OpStore and OpLoad instructions before it
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// and must be belongs to a reachable block.
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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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// Stores |value_id| to |variable_id|, loads |variable_id| to
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// |value_synonym_id|. Adds the fact that |value_synonym_id| and |value_id|
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// are synonymous if |value_id| and |value_synonym_id| are not irrelevant.
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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::TransformationPushIdThroughVariable 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_PUSH_ID_THROUGH_VARIABLE_H_
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