Function ValidateFunctionDef

tensorflow/compiler/tf2xla/xla_compiler.cc:1070–1081

Check that the ops of all non-functional nodes have been registered.

// Check that the ops of all non-functional nodes have been registered.
Status ValidateFunctionDef(const FunctionDef* fdef,
                           const FunctionLibraryDefinition& flib_def) {
  for (const NodeDef& node : fdef->node_def()) {
    const string& op = node.op();
    if (op == FunctionLibraryDefinition::kGradientOp || flib_def.Find(op)) {
      continue;
    }
    const OpDef* op_def;
    TF_RETURN_IF_ERROR(OpRegistry::Global()->LookUpOpDef(op, &op_def));
  }
  return Status::OK();
}

// If node is PartitionedCall or StatefulPartitionedCall, returns the
// name from the "f" attr, else returns node.def().op().