   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000100a92af2b8> -> %r0
   4  inline_call_ir_v <JitCode 'W_CDLL.__init__'>, I[$-1], R[%r0, $<* struct rpy_string>]
  12  -live- %r0
  12  ref_return %r0
