}

Status VerifySupportedSignature(TaggedValue signature) {
  if (signature.type() == TaggedValue::Type::TENSOR_SPEC) {
    return ::tensorflow::OkStatus();
  }
  if (signature.type() == TaggedValue::Type::TUPLE) {
    for (const auto& t : signature.tuple()) {
      if (t.type() != TaggedValue::Type::TENSOR_SPEC) {
        break;
      }
    }
    return ::tensorflow::OkStatus();
  }

    // Set up an arg per arg_shape with the specified type.
    for (int i = 0; i < arg_shapes.size(); ++i) {
      auto metadata_arg = metadata_proto.add_args();
      metadata_arg->set_kind(
          tensorflow::tpu::TPUCompileMetadataProto::Arg::PARAMETER);
      metadata_arg->set_dtype(dtype);
    }
    // Set up one dummy retval.
    metadata_proto.add_retvals();

      auto* out_shape_and_type = handle_data.add_shape_and_type();
      ic->ShapeHandleToProto(p.shape, out_shape_and_type->mutable_shape());
      out_shape_and_type->set_dtype(p.dtype);
      *out_shape_and_type->mutable_type() = p.type;
    }
  }
  string result;
  handle_data.SerializeToString(&result);
  return result;
}

void SetHandleShapeAndType(TF_Graph* graph, TF_Output output, const void* proto,

  } else {
    return se::DeviceMemoryBase(const_cast<char*>(tensor.tensor_data().data()),
                                tensor.tensor_data().size());
  }
}

Status XlaTensor::AllocateShapedBuffer(DataType dtype,
                                       const xla::Shape& on_device_shape,
                                       xla::LocalClient* client,
                                       int device_ordinal) {
  xla::Shape on_host_shape =

  v->set_tag(tag.data(), tag.size());
  histo.EncodeToProto(v->mutable_histo(), false /* Drop zero buckets */);

  Safe_TF_TensorPtr summary_tensor(TF_AllocateOutput(
      /*context=*/ctx, /*index=*/0, /*dtype=*/TF_ExpectedOutputDataType(ctx, 0),
      /*dims=*/nullptr, /*num_dims=*/0,
      /*len=*/sizeof(tensorflow::tstring), status.get()));

  if (TF_GetCode(status.get()) != TF_OK) {

  auto build_result = BuildHloFromGraph(*graph, /*use_output_shapes=*/true);
  ASSERT_FALSE(build_result.ok());
  EXPECT_THAT(build_result.message(),
              HasSubstr("op operand type 'tensor<2x3x4x5xi32>' and result type "
                        "'tensor<1xi32>' are cast incompatible"));
}

}  // namespace

      // If the arg type already matches the global_tensor type, we don't need
      // to do anything.
      if (!underlying_type.empty() &&
          underlying_type[0] == global_tensor.getType()) {
        assert(underlying_type.size() == 1);
        continue;
      }

      // Otherwise, set this argument's type to the global_tensor's type.
      auto new_arg_type = mlir::RankedTensorType::get(

  for (auto var_and_tensor : llvm::zip(var_ops, resource_tensors_or.value())) {
    auto& var_op = std::get<0>(var_and_tensor);
    auto& resource_tensor = std::get<1>(var_and_tensor);
    if (resource_tensor.dtype() != tensorflow::DT_RESOURCE) {
      InitializeVariable(var_op, &resource_tensor, session_init_func, builder);
      continue;
    }

    auto handle = resource_tensor.scalar<tensorflow::ResourceHandle>()();

  }
  return absl::OkStatus();
}

std::vector<int> GetResourceVariableIndicesFromContext(OpKernelContext* ctx) {
  std::vector<int> out;
  for (int64 i = 0; i < ctx->num_inputs(); i++) {
    if (ctx->input(i).dtype() == DT_RESOURCE) {
      out.push_back(i);
    }
  }
  return out;
}

Status CreateVariableInfoLookup(
    absl::Span<VariableInfo const> variable_args,

      "SavedModel checkpoint does not contain object graph.");
  if (object_graph_tensor.dtype() != DT_STRING ||
      object_graph_tensor.dims() != 0 ||
      object_graph_tensor.NumElements() != 1) {
    return absl::Status(
        absl::StatusCode::kFailedPrecondition,
        "SavedModel checkpoint object graph was not the correct type.");
  }

  const tstring* object_graph_string = reinterpret_cast<const tstring*>(