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https://gitee.com/openharmony/third_party_spirv-tools
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77 lines
3.1 KiB
C++
77 lines
3.1 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_STORE_H_
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#define SOURCE_FUZZ_TRANSFORMATION_STORE_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 TransformationStore : public Transformation {
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public:
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explicit TransformationStore(protobufs::TransformationStore message);
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TransformationStore(
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uint32_t pointer_id, bool is_atomic, uint32_t memory_scope,
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uint32_t memory_semantics, uint32_t value_id,
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const protobufs::InstructionDescriptor& instruction_to_insert_before);
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// - |message_.pointer_id| must be the id of a pointer
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// - The pointer type must not have read-only storage class
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// - The pointer must not be OpConstantNull or OpUndef
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// - |message_.is_atomic| must be true if want to work with OpAtomicStore.
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// - If |is_atomic| is true then |message_memory_scope_id| must be the id of
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// an OpConstant 32 bit integer instruction with the value
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// spv::Scope::Invocation.
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// - If |is_atomic| is true then |message_.memory_semantics_id| must be the id
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// of an OpConstant 32 bit integer instruction with the values
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// SpvMemorySemanticsWorkgroupMemoryMask or
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// SpvMemorySemanticsUniformMemoryMask.
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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_.instruction_to_insert_before| must identify an instruction
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// before which it is valid to insert an OpStore, and where both
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// |message_.pointer_id| and |message_.value_id| are available (according
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// to dominance rules)
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// - Either the insertion point must be in a dead block, or it must be known
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// that the pointee value of |message_.pointer_id| is irrelevant
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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 of the form:
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// OpStore |pointer_id| |value_id|
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// before the instruction identified by
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// |message_.instruction_to_insert_before|.
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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::TransformationStore 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_STORE_H_
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