arg_info.h

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 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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#ifndef TVM_META_SCHEDULE_ARG_INFO_H_
#define TVM_META_SCHEDULE_ARG_INFO_H_

#include <tvm/node/node.h>
#include <tvm/runtime/container/shape_tuple.h>
#include <tvm/tir/function.h>

namespace tvm {
namespace meta_schedule {

class ArgInfoNode : public runtime::Object {
 public:
  static constexpr const char* _type_key = "meta_schedule.ArgInfo";
  TVM_DECLARE_BASE_OBJECT_INFO(ArgInfoNode, runtime::Object);

 public:
  virtual ~ArgInfoNode() = default;
  virtual ObjectRef AsJSON() const = 0;
};

class ArgInfo : public runtime::ObjectRef {
 public:
  TVM_DLL static ArgInfo FromJSON(const ObjectRef& json_obj);
  TVM_DLL static Array<ArgInfo, void> FromPrimFunc(const tir::PrimFunc& func);

  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(ArgInfo, runtime::ObjectRef, ArgInfoNode);

 protected:
  ArgInfo() = default;
};

class TensorInfoNode : public ArgInfoNode {
 public:
  runtime::DataType dtype;
  runtime::ShapeTuple shape;

  void VisitAttrs(tvm::AttrVisitor* v) {
    v->Visit("dtype", &dtype);
    v->Visit("shape", &shape);
  }

  static constexpr const char* _type_key = "meta_schedule.TensorInfo";
  TVM_DECLARE_FINAL_OBJECT_INFO(TensorInfoNode, ArgInfoNode);

 public:
  ObjectRef AsJSON() const;
};

class TensorInfo : public ArgInfo {
 public:
  TVM_DLL explicit TensorInfo(runtime::DataType dtype, runtime::ShapeTuple shape);
  TVM_DLL static TensorInfo FromJSON(const ObjectRef& json_obj);
  TVM_DEFINE_NOTNULLABLE_OBJECT_REF_METHODS(TensorInfo, ArgInfo, TensorInfoNode);
};

}  // namespace meta_schedule
}  // namespace tvm

#endif  // TVM_META_SCHEDULE_ARG_INFO_H_