python/hlo/optimize.py (3 lines):
	- line 428: # TODO: this will be unnecessary once BatchHloInstructionPool is fully populated
	- line 685: # TODO: debug this
	- line 708: # TODO: check collapsed_slice_dims


runtime/init.cc (1 line):
	- line 110: // TODO: fix once we figure out why TF_InitGraph is always called twice


grappler/convert/convert_graph.cc (1 line):
	- line 701: // TODO: determine if we need grappler::TopologicalSort


python/graph_def_util.py (1 line):
	- line 395: TODO: Some passes introduced recently can change subgraph input/output


runtime/direct/placer.cc (1 line):
	- line 149: // TODO: implement NEURONCORE_GROUP_SIZES + automatic data parallel


python/_trace.py (1 line):
	- line 481: # TODO: remove this hack once https://github.com/tensorflow/tensorflow/blob/v2.3.1/tensorflow/python/eager/wrap_function.py#L377 is fixed


runtime/direct/adaptor.cc (1 line):
	- line 169: constexpr int NRT_HOST_NEURON_CORE_ID = -1;  // TODO: get from nrt.h