message: Use predefined macros to test TRT versions.
diff: @@ -3987,7 +3987,7 @@ Status ConvertTopK(OpConverterParams* params) {
  return Status::OK();
  }
  -#if NV_TENSORRT_MAJOR > 5 || (NV_TENSORRT_MAJOR == 5 && NV_TENSORRT_MINOR >= 1)
  +#if IS_TRT_VERSION_GE(5, 1, 0, 0)
  Status ConvertCombinedNMS(OpConverterParams* params) {
  TF_RETURN_IF_ERROR(
  CheckInputsWeights(*params, {{"boxes", false},
  @@ -4166,7 +4166,7 @@ Status ConvertCombinedNMS(OpConverterParams* params) {
  static void RegisterValidatableOpConverters(
  std::unordered_map<string, OpConverter>* registration) {
  (*registration)["BiasAdd"] = ConvertBiasAdd;
  -#if NV_TENSORRT_MAJOR > 5 || (NV_TENSORRT_MAJOR == 5 && NV_TENSORRT_MINOR >= 1)
  +#if IS_TRT_VERSION_GE(5, 1, 0, 0)
  (*registration)["CombinedNonMaxSuppression"] = ConvertCombinedNMS;
  #endif
  (*registration)["ConcatV2"] = ConvertConcat;
  