   0  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_buffer> -> %r1
   5  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.buffer.SubBuffer.inst_offset> -> %i2
  10  int_add %i2, %i0 -> %i0
  14  -live- %i0, %i1, %r1
  14  guard_class %r1 -> %i2
  17  getfield_raw_i %i2, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_setitem> -> %i2
  22  -live- %i0, %i1, %i2, %r1
  22  int_guard_value %i2
  24  residual_call_ir_v %i2, <IndirectCallTargets>, I[%i0, %i1], R[%r1], <CallDescr(rii) EF=7>
  33  -live-
  33  void_return
