TF_Tensor* TF_TensorMaybeMove(TF_Tensor* t) {
  return t->tensor->CanMove() ? t : nullptr;
}

void TF_DeleteTensor(TF_Tensor* t) {
  if (t == nullptr) {
    return;
  }

  if (t->tensor) {
    t->tensor->Release();
  }

  delete t;
}

TF_DataType TF_TensorType(const TF_Tensor* t) {
  return static_cast<TF_DataType>(t->tensor->Type());

// CHECK: [[body_res:%.*]]:2 = tfrt.call @while_body_add2([[ch]], [[arg]]) : (!tfrt.chain, !tfrt_fallback.tf_tensor) -> (!tfrt.chain, !tfrt_fallback.tf_tensor)
// CHECK: [[pred_res:%.*]]:2 = tfrt.call @"while_cond_lt9/tfrt_predicate"([[body_res]]#0, [[body_res]]#1) : (!tfrt.chain, !tfrt_fallback.tf_tensor) -> (!tfrt.chain, i1)

    void (*binary_add_func)(TF_OpKernelContext* ctx, TF_Tensor* a, TF_Tensor* b,
                            TF_Tensor* out));

static Status CCBinaryAddFunc(
    ::tensorflow::OpKernelContext* cc_ctx, const Tensor& cc_a,
    const Tensor& cc_b, Tensor* cc_out,
    void (*binary_add_func)(TF_OpKernelContext* ctx, TF_Tensor* a, TF_Tensor* b,
                            TF_Tensor* out)) {
  if (cc_a.dtype() == ::tensorflow::DT_INVALID) {

  if (TF_GetCode(status) != TF_OK) return nullptr;
  TFE_OpSetAttrType(op, "dtype", TF_FLOAT);
  TFE_OpAddInput(op, var_handle, status);

  // Convert 'value' to a TF_Tensor then a TFE_TensorHandle.
  std::unique_ptr<TF_Tensor, decltype(&TF_DeleteTensor)> t(
      TF_AllocateTensor(TF_FLOAT, nullptr, 0, sizeof(value)), TF_DeleteTensor);
  memcpy(TF_TensorData(t.get()), &value, TF_TensorByteSize(t.get()));

  if (!s.ok()) {
    ::tensorflow::Set_TF_Status_from_Status(status, s);
    return nullptr;
  }
  TF_Tensor* tf_tensor = TF_TensorFromTensor(*tensor, &s);
  if (!s.ok()) {
    ::tensorflow::Set_TF_Status_from_Status(status, s);
    return nullptr;
  }
  return tf_tensor;
}

TF_Tensor* TF_ForwardInputOrAllocateOutput(
    TF_OpKernelContext* context, const int* candidate_input_indices,

    name = "tf_tensor_hdrs",
    hdrs = [
        "tf_tensor.h",
        "tf_tensor_helper.h",
    ],
    visibility = ["//visibility:public"],
    deps = [
        ":c_api_macros_hdrs",
        ":tf_datatype_hdrs",
        ":tf_status_headers",
        "//tensorflow/core/platform:status",
    ],
)

cc_library(
    name = "tf_tensor",
    srcs = ["tf_tensor.cc"],
    hdrs = [
        "tf_tensor.h",

#include "tensorflow/c/experimental/saved_model/public/tensor_spec.h"
#include "tensorflow/c/tf_datatype.h"
#include "tensorflow/c/tf_shape.h"
#include "tensorflow/c/tf_status.h"
#include "tensorflow/c/tf_tensor.h"
#include "tensorflow/core/lib/io/path.h"
#include "tensorflow/core/platform/status.h"
#include "tensorflow/core/platform/stringpiece.h"
#include "tensorflow/core/platform/test.h"

#include "tensorflow/c/kernels.h"
#include "tensorflow/c/kernels_experimental.h"
#include "tensorflow/c/tf_buffer.h"
#include "tensorflow/c/tf_status.h"
#include "tensorflow/c/tf_status_internal.h"
#include "tensorflow/c/tf_tensor.h"
#include "tensorflow/c/tf_tensor_internal.h"
#include "tensorflow/compiler/jit/variable_info.h"
#include "tensorflow/compiler/jit/variable_info_util.h"
#include "xla/pjrt/c/pjrt_c_api.h"

}

namespace tensorflow {
Status TF_TensorToTensor(const TF_Tensor* src, Tensor* dst);

// Helpers for loadding a TensorFlow PluggableDevice plugin (a .so file).
Status LoadPluggableDeviceLibrary(const char* library_filename, void** result);
}  // namespace tensorflow

void TFE_InferShapes(TFE_Op* tfe_op, TF_ShapeAndTypeList* input_shapes,
                     TF_Tensor** input_tensors,

    CPred<"$_self.isa<mlir::TFR::" # name # "Type>()">,
    "TFR " # name #" type">,
    BuildableType<"$_builder.getType<mlir::TFR::" # name # "Type>()">;
def TFR_TensorType : TFR_Type<"TFRTensor">;
def TFR_TensorListType : TFR_Type<"TFRTensorList">;
def TFR_AllTensorTypes : Type<Or<[
    TFR_TensorType.predicate,
    TFR_TensorListType.predicate]>, "all tensor related types">;

// attribute argument types