   0  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_buffer> -> %r1
   5  -live- %r0, %r1
   8  guard_class %r1 -> %i0
  11  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_get_raw_address> -> %i0
  16  -live- %i0, %r0, %r1
  19  int_guard_value %i0
  21  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1], <CallDescr(r) EF=7> -> %i0
  28  -live- %i0, %r0
  31  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_offset> -> %i1
  36  int_add %i0, %i1 -> %i0
  40  int_return %i0
