bool use_stablehlo_constant) {
  // Populate from metadata.
  ControlNodes control_nodes;
  for (const auto [from, to] : control_edges) {
    control_nodes.try_emplace(from);
    control_nodes[to].incoming.insert(from);
  }

  llvm::SmallVector<mlir::Type, 2> ret_types;
  llvm::SmallVector<mlir::Type, 4> input_types;

    bool vars_initialized,
    llvm::SmallDenseMap<llvm::StringRef, PartitionedCallLiftingInfo>*
        lifted_callees) {
  auto emplace_res = lifted_callees->try_emplace(callee.getName(),
                                                 PartitionedCallLiftingInfo());
  if (emplace_res.second) {
    // Unseen callee. Perform resource lifting on it.