   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.objspace.std.bytesobject.W_AbstractBytesObject_vtable.cls_descr_title> -> %i0
   8  -live- %i0, %r0
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2>
  12  unreachable
  13  ---
  13  L1:
  13  -live-
  13  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  15  ---
  15  L2:
  15  -live- %r0
  15  getfield_gc_r_pure %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value> -> %r1
  20  strlen %r1 -> %i0
  23  -live- %i0, %r0, %r1
  23  goto_if_not_int_is_zero %i0, L3
  27  L4:
  27  ref_return %r0
  29  ---
  29  L3:
  29  residual_call_r_r $<* fn W_BytesObject.title>, R[%r0, %r1], <CallDescr(rr) EF=4> -> %r1
  37  -live- %r1
  37  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x2c174e50> -> %r0
  41  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  46  goto L4
