   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff49761230> -> %r1
   4  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff4568fe10> -> %r2
   8  setfield_gc_r %r2, %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value>
  13  setfield_gc_i %r2, $1, FieldDescr<rpython.rlib.buffer.Buffer.inst_readonly>
  18  setfield_gc_r %r1, %r2, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf>
  23  strlen %r0 -> %i0
  26  setfield_gc_i %r1, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length>
  31  setfield_gc_i %r1, $0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  36  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff497610f0> -> %r0
  40  setfield_gc_r %r0, %r1, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr>
  45  setfield_gc_i %r0, $True, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_bigendian>
  50  inline_call_r_v <JitCode 'unpack_int__rpython_rlib_rstruct_runpack_ReaderForPos0'>, R[%r0]
  55  -live- %r0
  55  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value> -> %i0
  60  int_return %i0
