   0  residual_call_irf_f $<* fn _ll_0_ll_read_timestamp___>, I[], R[], F[], <CallDescr() EF=2 OS_MATH_READ_TIMESTAMP> -> %f0
   8  residual_call_irf_r $<* fn fromrarith_int__r_longlong>, I[], R[], F[%f0], <CallDescr(L) EF=4> -> %r0
  17  -live- %r0
  20  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x4e774370> -> %r1
  24  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.longobject.W_LongObject.inst_num>
  29  ref_return %r1
