   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r0
   5  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r1
  10  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i1
  15  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  20  int_add %i0, $1 -> %i0
  24  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  29  -live- %i0, %i1, %i2, %r0, %r1
  32  goto_if_not_int_le %i0, %i2, L1
  37  int_and %i1, $0 -> %i0
  41  -live- %i0, %i1, %r0, %r1
  44  goto_if_not_int_is_true %i0, L2
  48  raise $<* struct object>
  50  ---
  50  L2:
  50  getfield_gc_r_pure %r1, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r1
  55  int_add %i1, $0 -> %i0
  59  gc_load_indexed_i %r1, %i0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char {'immutable': True, 'extra_item_after_alloc': 1} > > >, $<ItemOffset <SIGNEDCHAR> -1> -> %i3
  66  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  71  int_add %i0, $1 -> %i1
  75  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  80  -live- %i0, %i1, %i2, %i3, %r0
  83  goto_if_not_int_le %i1, %i2, L3
  88  int_add %i0, $1 -> %i0
  92  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  97  int_return %i3
  99  ---
  99  L3:
  99  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1e901fb0> -> %r0
 103  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
 108  assert_not_none %r0
 110  -live- %r0
 113  raise %r0
 115  ---
 115  L1:
 115  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
 120  int_add %i0, $1 -> %i1
 124  getfield_gc_i %r0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
 129  -live- %i0, %i1, %i2, %r0
 132  goto_if_not_int_le %i1, %i2, L4
 137  int_add %i0, $1 -> %i0
 141  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
 146  raise $<* struct object>
 148  ---
 148  L4:
 148  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1e901fb0> -> %r0
 152  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
 157  assert_not_none %r0
 159  -live- %r0
 162  raise %r0
