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// Copyright (c) 2020 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_REPLACE_COPY_OBJECT_WITH_STORE_LOAD_H_
#define SOURCE_FUZZ_TRANSFORMATION_REPLACE_COPY_OBJECT_WITH_STORE_LOAD_H_
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
#include "source/fuzz/transformation.h"
#include "source/fuzz/transformation_context.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace fuzz {
class TransformationReplaceCopyObjectWithStoreLoad : public Transformation {
public:
explicit TransformationReplaceCopyObjectWithStoreLoad(
protobufs::TransformationReplaceCopyObjectWithStoreLoad message);
TransformationReplaceCopyObjectWithStoreLoad(
uint32_t copy_object_result_id, uint32_t fresh_variable_id,
uint32_t variable_storage_class, uint32_t variable_initializer_id);
// - |message_.copy_object_result_id| must be a result id of an OpCopyObject
// instruction.
// - |message_.fresh_variable_id| must be a fresh id given to variable used by
// OpStore.
// - |message_.variable_storage_class| must be either StorageClassPrivate or
// StorageClassFunction.
// - |message_.initializer_id| must be a result id of some constant in the
// module. Its type must be equal to the pointee type of the variable that
// will be created.
bool IsApplicable(
opt::IRContext* ir_context,
const TransformationContext& transformation_context) const override;
// Replaces instruction OpCopyObject with storing into a new variable and
// immediately loading from this variable to |result_id| of the original
// OpCopyObject instruction.
void Apply(opt::IRContext* ir_context,
TransformationContext* transformation_context) const override;
std::unordered_set<uint32_t> GetFreshIds() const override;
protobufs::Transformation ToMessage() const override;
private:
protobufs::TransformationReplaceCopyObjectWithStoreLoad message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_REPLACE_COPY_OBJECT_WITH_STORE_LOAD_H_
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