   0  -live- %i0, %r0
   0  guard_class %r0 -> %i1
   3  getfield_raw_i %i1, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_is_closed> -> %i1
   8  -live- %i0, %i1, %r0
   8  switch %i1, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %i0, %r0
  13  getfield_gc_i %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed> -> %i1
  18  L4:
  18  -live- %i0, %i1, %r0
  18  goto_if_not %i1, L5
  22  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aabbb1b8a0> -> %r0
  26  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  31  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  36  assert_not_none %r0
  38  -live- %r0
  38  guard_class %r0 -> %i1
  41  -live- %r0
  41  raise %r0
  43  ---
  43  L5:
  43  -live- %i0, %r0
  43  guard_class %r0 -> %i1
  46  getfield_raw_i %i1, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_read> -> %i1
  51  -live- %i0, %i1, %r0
  51  switch %i1, <SwitchDictDescr 0:L6, 1:L7, 2:L8>
  55  unreachable
  56  ---
  56  L6:
  56  -live- %i0, %r0
  56  inline_call_ir_r <JitCode 'W_OutputType.read'>, I[%i0], R[%r0] -> %r1
  64  -live- %r1
  64  L9:
  64  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aac5501f30> -> %r0
  68  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  73  ref_return %r0
  75  ---
  75  L7:
  75  -live- %i0, %r0
  75  inline_call_ir_r <JitCode 'W_InputType.read'>, I[%i0], R[%r0] -> %r1
  83  -live- %r1
  83  goto L9
  86  ---
  86  L8:
  86  -live-
  86  raise $<* struct object>
  88  ---
  88  L2:
  88  -live- %i0, %r0
  88  getfield_gc_r %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string> -> %r1
  93  ptr_iszero %r1 -> %i1
  96  goto L4
  99  ---
  99  L3:
  99  -live-
  99  raise $<* struct object>
