message: Disable MaxPoolGradGrad until we support it
diff: @@ -24,6 +24,7 @@ limitations under the License.
  #include "tensorflow/compiler/plugin/poplar/driver/platform.h"
  #include "tensorflow/compiler/plugin/poplar/driver/executor.h"
  +#include "tensorflow/core/framework/kernel_def.pb.h"
  #include "tensorflow/core/kernels/no_op.h"
  namespace se = ::perftools::gputools;
  @@ -134,6 +135,7 @@ REGISTER_LOCAL_DEVICE_FACTORY(DEVICE_XLA_IPU, XlaIpuDeviceFactory);
  static bool OpFilter(KernelDef* kdef) {
  // TODO - probably remove int32/bool for some set of operators
  // (or keep them for some given set)
  + if (kdef->op() == "MaxPoolGradGrad") return false;
  return true;
  }
  