for (auto func : module.getOps<func::FuncOp>()) {
      CollectOpSideEffects(func);
    }
  }

  // Returns op-based side effects by resource ID for `op`.
  const SideEffectsByResourceId& GetSideEffectsForOp(Operation* op) const {
    auto iter = op_side_effect_map_.find(op);
    if (iter != op_side_effect_map_.end()) return iter->second;
    return empty_side_effects_map_;
  }