   0  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_bytesio.W_BytesIO.inst__RStringIO__closed> -> %i0
   5  -live- %i0, %r0, %r1
   8  goto_if_not %i0, L1
  12  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a68dd2100> -> %r0
  16  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  21  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a60ed4a30> -> %r1
  25  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  30  setfield_gc_r %r1, %r0, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  35  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  40  assert_not_none %r1
  42  -live- %r1
  45  raise %r1
  47  ---
  47  L1:
  47  inline_call_r_r <JitCode 'ObjSpace.writebuf_w'>, R[%r1] -> %r1
  53  -live- %r0, %r1
  56  guard_class %r1 -> %i0
  59  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getlength> -> %i0
  64  -live- %i0, %r0, %r1
  67  int_guard_value %i0
  69  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1], <CallDescr(r) EF=5> -> %i0
  76  -live- %i0, %r0, %r1
  79  inline_call_ir_r <JitCode 'W_BytesIO.read'>, I[%i0], R[%r0] -> %r0
  87  -live- %r0, %r1
  90  inline_call_ir_v <JitCode 'output_slice'>, I[$0], R[%r1, %r0]
  98  -live- %r0
 101  strlen %r0 -> %i0
 104  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a76e65440> -> %r0
 108  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
 113  ref_return %r0
