   0  residual_call_r_r $<* fn rbigint.divmod>, R[%r0, %r1], <CallDescr(rr) EF=4> -> %r0
   8  -live- %r0
  11  getfield_gc_r_pure %r0, FieldDescr<tuple2.item1> -> %r0
  16  ref_return %r0
