   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
   5  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r0
  10  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  15  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i1
  20  int_add %i1, $1 -> %i1
  24  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  29  -live- %i0, %i1, %i2, %r0, %r1
  29  goto_if_not_int_le %i1, %i2, L1
  34  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
  39  int_add %i0, $0 -> %i0
  43  gc_load_indexed_i %r0, %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
  50  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  55  int_add %i0, $1 -> %i1
  59  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  64  -live- %i0, %i1, %i2, %i3, %r1
  64  goto_if_not_int_le %i1, %i2, L2
  69  int_add %i0, $1 -> %i0
  73  setfield_gc_i %r1, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  78  int_return %i3
  80  ---
  80  L2:
  80  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa56355f30> -> %r0
  84  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  89  assert_not_none %r0
  91  -live- %r0
  91  guard_class %r0 -> %i0
  94  -live- %r0
  94  raise %r0
  96  ---
  96  L1:
  96  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
 101  int_add %i0, $1 -> %i1
 105  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
 110  -live- %i0, %i1, %i2, %r1
 110  goto_if_not_int_le %i1, %i2, L3
 115  int_add %i0, $1 -> %i0
 119  setfield_gc_i %r1, %i0, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
 124  raise $<* struct object>
 126  ---
 126  L3:
 126  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa56355f30> -> %r0
 130  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
 135  assert_not_none %r0
 137  -live- %r0
 137  guard_class %r0 -> %i0
 140  -live- %r0
 140  raise %r0
