SPIRV-Tools/source/fuzz/transformation_add_constant_null.h
Alastair Donaldson e95fbfb1f5
spirv-fuzz: Transformation to add OpConstantNull (#3273)
Adds a transformation for adding OpConstantNull to a module, for
appropriate data types.
2020-04-02 19:25:30 +01:00

55 lines
1.9 KiB
C++

// 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_ADD_CONSTANT_NULL_H_
#define SOURCE_FUZZ_TRANSFORMATION_ADD_CONSTANT_NULL_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 TransformationAddConstantNull : public Transformation {
public:
explicit TransformationAddConstantNull(
const protobufs::TransformationAddConstantNull& message);
TransformationAddConstantNull(uint32_t fresh_id, uint32_t type_id);
// - |message_.fresh_id| must be fresh
// - |message_.type_id| must be the id of a type for which it is acceptable
// to create a null constant
bool IsApplicable(
opt::IRContext* context,
const TransformationContext& transformation_context) const override;
// Adds an OpConstantNull instruction to the module, with |message_.type_id|
// as its type. The instruction has result id |message_.fresh_id|.
void Apply(opt::IRContext* context,
TransformationContext* transformation_context) const override;
protobufs::Transformation ToMessage() const override;
private:
protobufs::TransformationAddConstantNull message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_CONSTANT_NULL_H_