// Copyright (c) 2023 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/fluid/ir_adaptor/translator/utils.h"

#include <unordered_map>

#include "paddle/ir/core/builtin_attribute.h"
#include "paddle/ir/core/builtin_type.h"

namespace paddle {
namespace translator {

ir::Operation* InsertSliceOperationForTarget(
    ir::IrContext* ctx,
    TranslationContext* param_map,
    ir::Program* program,
    const VariableDefiningInfo& defining_info,
    const std::string& arg_name) {
  std::string slice_op_name(ir::SliceOp::name());
  ir::OpInfo op_info = ctx->GetRegisteredOpInfo(slice_op_name);
  std::unordered_map<std::string, ir::Attribute> op_attribute_map = {
      {"index", ir::Int32Attribute::get(ctx, defining_info.idx_in_vector)},
  };
  ir::VectorType src_vec_type =
      defining_info.value.type().dyn_cast<ir::VectorType>();
  ir::Operation* operation =
      ir::Operation::Create({defining_info.value},
                            op_attribute_map,
                            {src_vec_type[defining_info.idx_in_vector]},
                            op_info);
  program->block()->push_back(operation);
  ir::OpResult target_op_result = operation->result(0);
  (*param_map)[arg_name] = VariableDefiningInfo(target_op_result);
  return operation;
}

}  // namespace translator
}  // namespace paddle