chromium/third_party/spirv-tools/src/source/opt/ir_builder.h

// Copyright (c) 2018 Google Inc.
//
// 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_OPT_IR_BUILDER_H_
#define SOURCE_OPT_IR_BUILDER_H_

#include <limits>
#include <memory>
#include <utility>
#include <vector>

#include "source/opt/basic_block.h"
#include "source/opt/constants.h"
#include "source/opt/instruction.h"
#include "source/opt/ir_context.h"

namespace spvtools {
namespace opt {

// In SPIR-V, ids are encoded as uint16_t, this id is guaranteed to be always
// invalid.
constexpr uint32_t kInvalidId = …;

// Helper class to abstract instruction construction and insertion.
// The instruction builder can preserve the following analyses (specified via
// the constructors):
//   - Def-use analysis
//   - Instruction to block analysis
class InstructionBuilder { … };

}  // namespace opt
}  // namespace spvtools

#endif  // SOURCE_OPT_IR_BUILDER_H_