   0  residual_call_r_r $<* fn ComplexLong.unbox>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
   8  -live- %r0
  11  residual_call_r_r $<* fn for_computation>, R[%r0], <CallDescr(r) EF=5> -> %r0
  18  -live- %r0
  21  getfield_gc_f_pure %r0, FieldDescr<tuple2.item0> -> %f0
  26  getfield_gc_f_pure %r0, FieldDescr<tuple2.item1> -> %f1
  31  -live- %f0, %f1
  34  goto_if_not_float_ne %f0, $0.0, L1
  39  int_return $True
  41  ---
  41  L1:
  41  float_ne %f1, $0.0 -> %i0
  45  int_return %i0
