/*
 * 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
 * specific language governing permissions and limitations
 * under the License.
 */

/*!
 * \file src/relay/op/memory/memory.h
 * \brief Operators for memory related operations in Relay.
 */

#ifndef TVM_RELAY_OP_MEMORY_MEMORY_H_
#define TVM_RELAY_OP_MEMORY_MEMORY_H_

#include <tvm/target/virtual_device.h>

#include <vector>

#include "tvm/relay/expr.h"

namespace tvm {
namespace relay {

Expr AllocStorage(Expr size, Expr alignment, VirtualDevice virtual_device, DataType dtype_hint);
/*! \brief Returns the "memory.alloc_tensor" operator. */
const Op& MemoryAllocTensorOp();
Expr AllocTensor(Expr storage, Expr offset, tvm::relay::Expr shape, DataType dtype,
                 Array<IndexExpr> assert_shape);
Expr ToTupleType(const Type& ty, const std::vector<Expr>& exprs);
std::vector<Expr> FromTupleType(const Type& type, const Expr& expr);
std::vector<TensorType> FlattenTupleType(const Type& type);

}  // namespace relay
}  // namespace tvm

#endif  // TVM_RELAY_OP_MEMORY_MEMORY_H_