   0  inline_call_r_i <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, R[%r0] -> %i0
   6  -live- %i0, %r0
   6  catch_exception L1
   9  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  14  void_return
  15  ---
  15  L1:
  15  goto_if_exception_mismatch $<* struct object_vtable>, L2
  19  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  24  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  29  int_add %i0, $1 -> %i1
  33  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  38  -live- %i0, %i1, %i2, %r0, %r1
  38  goto_if_not_int_le %i1, %i2, L3
  43  int_add %i0, $1 -> %i1
  47  setfield_gc_i %r1, %i1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  52  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r1
  57  inline_call_ir_r <JitCode 'StringBuffer.getslice'>, I[%i0, $1, $1], R[%r1] -> %r1
  67  -live- %r0, %r1
  67  strgetitem %r1, $0 -> %i0
  71  -live- %i0, %r0
  71  goto_if_not_int_ge %i0, $128, L4
  76  int_sub %i0, $256 -> %i0
  80  L5:
  80  int_lshift %i0, $0 -> %i0
  84  int_or %i0, $0 -> %i0
  88  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  93  void_return
  94  ---
  94  L4:
  94  goto L5
  97  ---
  97  L3:
  97  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000019f64f088> -> %r1
 101  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
 106  assert_not_none %r1
 108  -live- %r1
 108  guard_class %r1 -> %i0
 111  -live- %r1
 111  raise %r1
 113  ---
 113  L2:
 113  reraise
