   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000100a1af7f68> -> %r1
   4  setfield_gc_r %r1, %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_input>
   9  setfield_gc_i %r1, $0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  14  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000100a1af9830> -> %r0
  18  setfield_gc_r %r0, %r1, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr>
  23  setfield_gc_i %r0, $True, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_bigendian>
  28  inline_call_r_i <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, R[%r0] -> %i0
  34  -live- %i0, %r0
  34  catch_exception L1
  37  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  42  L2:
  42  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value> -> %i0
  47  int_return %i0
  49  ---
  49  L1:
  49  goto_if_exception_mismatch $<* struct object_vtable>, L3
  53  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  58  inline_call_ir_r <JitCode 'MasterReader.read'>, I[$1], R[%r1] -> %r1
  66  -live- %r0, %r1
  66  strgetitem %r1, $0 -> %i0
  70  -live- %i0, %r0
  70  goto_if_not_int_ge %i0, $128, L4
  75  int_sub %i0, $256 -> %i0
  79  L5:
  79  int_or %i0, $0 -> %i0
  83  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  88  goto L2
  91  ---
  91  L4:
  91  goto L5
  94  ---
  94  L3:
  94  reraise
