   0  -live- %i0, %r0
   0  guard_class %r0 -> %i1
   3  getfield_raw_i %i1, FieldDescr<pypy.module._cffi_backend.ctypeobj.W_CType_vtable.cls_convert_to_object> -> %i1
   8  -live- %i0, %i1, %r0
   8  int_guard_value %i1
  10  residual_call_ir_r %i1, <IndirectCallTargets>, I[%i0], R[%r0], <CallDescr(ri) EF=5> -> %r0
  19  -live- %r0
  19  ref_return %r0
