IsCompilableNode(node, lib_runtime, &stack_trace,
                   /*encapsulating_function=*/nullptr, &uncompilable_nodes);
  return uncompilable_nodes;
}

bool RecursiveCompilabilityChecker::HasXLAKernel(
    const Node& node, string* uncompilable_reason) const {
  // There is a SymbolicGradient kernel on the XLA_JIT device, but the gradient
  // is really a kind of function call and will be handled by