outside_compile_ops.push_back(op);
    }
  });

  if (outside_compile_ops.size() > kTooManyOutsideCompileRegionThreshold) {
    llvm::SmallVector<std::string, kOpDetailCount> op_info;
    for (int i = 0; i < kOpDetailCount; ++i) {
      auto& op = outside_compile_ops[i];
      op_info.push_back(tensorflow::OpAsString(*op));
    }

    LOG(WARNING) << outside_compile_ops.size() << " outside compilation "