AllocatorAttributes attr;
    if (cc_input.dtype() == ::tensorflow::DT_VARIANT) {
      attr.set_on_host(true);
    }
    TF_RETURN_IF_ERROR(cc_ctx->allocate_temp(cc_input.dtype(), cc_input.shape(),
                                             cc_out, attr));

    switch (cc_input.dtype()) {
      case ::tensorflow::DT_INVALID: {
        *cc_out = Tensor(::tensorflow::DT_INVALID);

                                bool unknown_rank, DataType dtype) {
  TensorShapeProto shape;
  shape.set_unknown_rank(unknown_rank);
  for (int64_t dim : dims) {
    shape.add_dim()->set_size(dim);
  }
  mlir::MLIRContext context;
  mlir::Builder b(&context);
  auto status_or = ConvertToMlirTensorType(shape, dtype, &b);
  std::string buf;
  llvm::raw_string_ostream os(buf);
  status_or.value().print(os);

#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "tensorflow/core/framework/types.pb.h"

// Returns whether the given dtype is a quantization type in TensorFlow.
static bool IsQuantizationType(tensorflow::DataType dtype) {
  switch (dtype) {
    case tensorflow::DT_QINT8:
    case tensorflow::DT_QUINT8:
    case tensorflow::DT_QINT16:
    case tensorflow::DT_QUINT16:
    case tensorflow::DT_QINT32:

    }

    se::Stream* const src_compute_stream = src_xla_context->stream();
    TF_RET_CHECK(src_compute_stream != nullptr);
    TF_RET_CHECK(input->dtype() == output->dtype())
        << "input type: " << DataTypeString(input->dtype()) << " output type "
        << DataTypeString(output->dtype());
    TF_RET_CHECK(input->shape() == output->shape());
    TF_RET_CHECK(DMAHelper::CanUseDMA(input));
    auto* const src_compute_stream_impl =

func.func @main() -> (tensor<1x2xf16>, tensor<2xf16>) {
  %graph:2 = tf_executor.graph {
    %0:2 = tf_executor.island wraps "tf.Const"() {device = "", dtype = "tfdtype$DT_HALF", value = dense<1.0> : tensor<1x2xf16>} : () -> tensor<1x2xf16> loc("const1")
    %1:2 = tf_executor.island wraps "tf.Const"() {device = "", dtype = "tfdtype$DT_HALF", value = dense<[1.0, 2.0]> : tensor<2xf16>} : () -> tensor<2xf16> loc("const2")

  TF_DeleteExecutionContext(ctx);
  return wrap(func);
}

TF_AbstractTensor* TF_AddFunctionParameter(TF_ExecutionContext* func,
                                           TF_DataType dtype, TF_Shape shape,
                                           TF_Status* s) {
  DCHECK_GE(shape.num_dims, -1);
  TracingTensorHandle* t;
  TracingContext* tracing_ctx = dyn_cast<TracingContext>(unwrap(func));

            name_and_attrs.attr().find("dtype")->second.type());
  TF_DeleteBuffer(serialized_attr_values);

  TFE_Op* var_op_2 = TFE_NewOp(ctx, "VarHandleOp", status);

  string serialized_dtype;
  ASSERT_TRUE(name_and_attrs.attr().find("dtype")->second.SerializeToString(
      &serialized_dtype));
  TFE_OpSetAttrValueProto(
      var_op_2, "dtype",

absl::StatusOr<std::pair<tensorflow::DataType, tensorflow::PartialTensorShape>>
ProcessTensorSpec(mlir::TensorType type) {
  tensorflow::DataType dtype;
  TF_RETURN_IF_ERROR(
      ConvertScalarTypeToDataType(type.getElementType(), &dtype));

  if (!type.hasRank())
    return std::make_pair(dtype, tensorflow::PartialTensorShape());

  auto shape = type.getShape();
  llvm::SmallVector<int64_t, 4> dims;
  dims.assign(shape.begin(), shape.end());

        absl::StrCat(src_node->name(), "_", src_slot, "_retval"), kRetValOp,
        NodeDebugInfo(src_node->def()));
    DataType dtype = src_node->output_type(src_slot);
    builder.Attr("T", dtype);
    builder.Attr("index", ret_index);
    builder.Input(src_image->name(), src_slot, dtype);
    Status s = builder.Finalize(&ret_def);
    if (!s.ok()) return s;
    TF_ASSIGN_OR_RETURN(Node * ret, graph_->AddNode(ret_def));

    Tensor* cpu_tensor, StatusCallback done) {
  DataType dtype = EncodePrimitiveTypeAsDataType(shape_.element_type()).value();
  TensorShape tensor_shape;
  Status status = XLAShapeToTensorShape(shape_, &tensor_shape);
  if (!status.ok()) {
    done(status);
    return;
  }

  *cpu_tensor = Tensor(dtype, tensor_shape);

  status = stream_->Memcpy(cpu_tensor->data(), device_memory_base_,