   0  residual_call_r_r $<* fn ComplexLong.unbox>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
   8  -live- %r0
   8  residual_call_r_r $<* fn for_computation>, R[%r0], <CallDescr(r) EF=5> -> %r0
  15  -live- %r0
  15  getfield_gc_f_pure %r0, FieldDescr<tuple2.item0> -> %f0
  20  getfield_gc_f_pure %r0, FieldDescr<tuple2.item1> -> %f1
  25  -live- %f0, %f1
  25  goto_if_not_float_ne %f0, $0.0, L1
  30  int_return $True
  32  ---
  32  L1:
  32  float_ne %f1, $0.0 -> %i0
  36  int_return %i0
