xla

36e2acab - model should be on xla device for Dynamo torchxla_trace_once backend (#4205)

model should be on xla device for Dynamo torchxla_trace_once backend (#4205) * model should be on xla device for Dynamo torchxla_trace_once backend * torch pin * Add _clear_pending_irs API and tests * Delete .torch_pin