// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// 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.

#include "paddle/phi/core/compat/op_utils.h"

#include "glog/logging.h"

namespace phi {

KernelSignature MemcpyD2HOpArgumentMapping(const ArgumentMappingContext& ctx) {
  if (ctx.IsDenseTensorVectorInput("X")) {
    return KernelSignature(
        "memcpy_d2h_multi_io", {"X"}, {"dst_place_type"}, {"Out"});
  }

  return KernelSignature("memcpy_d2h", {"X"}, {"dst_place_type"}, {"Out"});
}

KernelSignature MemcpyOpArgumentMapping(const ArgumentMappingContext& ctx) {
  if (ctx.IsDenseTensorInput("X")) {
    return KernelSignature("memcpy", {"X"}, {"dst_place_type"}, {"Out"});
  }

  return KernelSignature("unregistered", {}, {}, {});
}

}  // namespace phi

PD_REGISTER_ARG_MAPPING_FN(memcpy_d2h, phi::MemcpyD2HOpArgumentMapping);
PD_REGISTER_ARG_MAPPING_FN(memcpy, phi::MemcpyOpArgumentMapping);