SPIRV-Tools/source/fuzz/transformation_add_parameter.h
2020-07-11 07:43:06 +01:00

68 lines
2.6 KiB
C++

// Copyright (c) 2020 Vasyl Teliman
//
// 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_PARAMETER_H_
#define SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETER_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 TransformationAddParameter : public Transformation {
public:
explicit TransformationAddParameter(
const protobufs::TransformationAddParameter& message);
TransformationAddParameter(uint32_t function_id, uint32_t parameter_fresh_id,
uint32_t initializer_id,
uint32_t function_type_fresh_id);
// - |function_id| must be a valid result id of some non-entry-point function
// in the module.
// - |initializer_id| must be a valid result id of some instruction in the
// module. Instruction's type must be supported by this transformation
// as specified by IsParameterTypeSupported function.
// - |parameter_fresh_id| and |function_type_fresh_id| are fresh ids and are
// not equal.
bool IsApplicable(
opt::IRContext* ir_context,
const TransformationContext& transformation_context) const override;
// - Creates a new OpFunctionParameter instruction with result id
// |parameter_fresh_id| for the function with |function_id|.
// - Adjusts function's type to include a new parameter.
// - Adds |initializer_id| as a new operand to every OpFunctionCall
// instruction that calls the function.
void Apply(opt::IRContext* ir_context,
TransformationContext* transformation_context) const override;
protobufs::Transformation ToMessage() const override;
// Returns true if the type of the parameter is supported by this
// transformation.
static bool IsParameterTypeSupported(const opt::analysis::Type& type);
private:
protobufs::TransformationAddParameter message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_PARAMETER_H_