   0  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_buffer> -> %r1
   5  -live- %r0, %r1
   5  guard_class %r1 -> %i0
   8  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getlength> -> %i0
  13  -live- %i0, %r0, %r1
  13  int_guard_value %i0
  15  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1], <CallDescr(r) EF=5> -> %i0
  22  -live- %i0, %r0
  22  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_offset> -> %i1
  27  int_sub %i0, %i1 -> %i0
  31  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_size> -> %i1
  36  -live- %i0, %i1
  36  goto_if_not_int_ge %i1, $0, L1
  41  -live- %i0, %i1
  41  goto_if_not_int_le %i1, %i0, L2
  46  int_return %i1
  48  ---
  48  L2:
  48  L3:
  48  -live- %i0
  48  goto_if_not_int_ge %i0, $0, L4
  53  int_return %i0
  55  ---
  55  L4:
  55  int_return $0
  57  ---
  57  L1:
  57  goto L3
