// CHECK-NEXT: [[q_bias:%.+]] = "quantfork.qcast"([[bias]]) : (tensor<2xf32>) -> tensor<2x!quant.uniform<i32:f32, 0.044022349891595126>>

    up creating nested XLA launch ops.

    For example, the `tf.PartitionedCall` operation in the following code

    ```mlir
    func.func @convert_partitioned_call_with_resources(%arg0: tensor<!tf_type.resource>, %arg1: tensor<i32>) -> tensor<i32> {

  return %arg0 : tensor<f32>
}

// CHECK-LABEL: handles_partitioned_function_calls
func.func @handles_partitioned_function_calls(%arg0: tensor<f32>, %arg1: tensor<f32>) -> tensor<f32> {
  // CHECK: PartitionedCall"()
  %1 = "tf.PartitionedCall"(%arg0, %arg1) {f = @f} : (tensor<f32>, tensor<f32>) -> tensor<f32>
  return %1 : tensor<f32>
}

// -----

func.func private @f(%arg0: tensor<f32>, %arg1: tensor<f32>) -> tensor<f32> {

    : (tensor<!tf_type.variant<tensor<f32>>>, tensor<i1>) -> tensor<!tf_type.variant<tensor<f32>>>
  // CHECK: %[[CALL2:.*]]:2 = "tf.PartitionedCall"(%[[INIT]],
  // CHECK-SAME: f = @callee_tensorlist_decomposed
  %call2 = "tf.PartitionedCall"(%tl, %arg0) {f = @callee, config = "", config_proto = "", executor_type = ""}
    : (tensor<!tf_type.variant<tensor<f32>>>, tensor<i1>) -> tensor<!tf_type.variant<tensor<f32>>>

}

void CreateSubgraphCallingFunctionWithRefVar(const Scope& s) {
  NameAttrList ref_float_function;
  ref_float_function.set_name("RefFloatFn");
  ops::PartitionedCall call(s.WithOpName("RefFloat"), {absl::Span<Input>{}},
                            {DT_FLOAT}, ref_float_function);
  Output constant =
      ops::Const(s.WithOpName("constant_ref_pco"), Input::Initializer(0.0));

// -----

// This test makes sure functions without tf._noinline=true is inlined.

module {
  func.func @partitioned_call(%arg0: tensor<1x2x2x3xf32>) -> (tensor<1x2x2x3xf32>) {
    %0 = "tf.PartitionedCall"(%arg0) <{
      config = "", config_proto = "", executor_type = "", f = @some_func
    }> {
      _collective_manager_ids = [], device = ""
    } : (tensor<1x2x2x3xf32>) -> tensor<1x2x2x3xf32>

  Output in = ops::Placeholder(root, DT_FLOAT);
  Output perm = ops::Const(root, {3, 1, 2, 0});

  NameAttrList b_name_attr;
  b_name_attr.set_name("TransposeCall");
  ops::PartitionedCall call(root.WithOpName("call"), {in, perm}, {DT_FLOAT},
                            b_name_attr);
  call.output.front().node()->AddAttr(kXlaMustCompileAttr, true);

  std::unique_ptr<Graph> graph;

  auto value = device_attr.getValue();
  // TODO(b/229028654): Remove string conversion once we have C++17.
  absl::string_view device_type(value.data(), value.size());
  // Device type may be empty for some ops, e.g. tf.PartitionedCall.
  auto it = std::find(kValidDeviceTypes.begin(), kValidDeviceTypes.end(),
                      device_type);
  if (it == kValidDeviceTypes.end()) return failure();
  return success();
}

      }
    }
  }
  attr {
    key: "Tout"
    value {
      list {
        type: DT_FLOAT
      }
    }
  }
  attr {
    key: "_gradient_op_type"
    value {
      s: "PartitionedCall-1205"
    }
  }
  attr {
    key: "config"
    value {
      s: ""
    }
  }
  attr {
    key: "config_proto"
    value {

  // CHECK-NOT: Optional
  %0 = "tf.OptionalFromValue"(%arg0) : (tensor<f32>) -> tensor<!tf_type.variant<tensor<f32>>>
  %1 = "tf.PartitionedCall"(%0) {
      config = "",
      config_proto = "",
      executor_type = "",
      f = @identity} : (tensor<!tf_type.variant<tensor<f32>>>) -> tensor<!tf_type.variant<tensor<f32>>>