   0  -live- %i0, %r0
   3  guard_class %r0 -> %i1
   6  getfield_raw_i %i1, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_is_closed> -> %i1
  11  -live- %i0, %i1, %r0
  14  switch %i1, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  18  unreachable
  19  ---
  19  L1:
  19  -live- %i0, %r0
  22  getfield_gc_i %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed> -> %i1
  27  L4:
  27  -live- %i0, %i1, %r0
  30  goto_if_not %i1, L5
  34  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0c7fdde0> -> %r0
  38  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  43  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  48  assert_not_none %r0
  50  -live- %r0
  53  raise %r0
  55  ---
  55  L5:
  55  -live- %i0, %r0
  58  guard_class %r0 -> %i1
  61  getfield_raw_i %i1, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_readline> -> %i1
  66  -live- %i0, %i1, %r0
  69  switch %i1, <SwitchDictDescr 0:L6, 1:L7, 2:L8>
  73  unreachable
  74  ---
  74  L6:
  74  -live- %i0, %r0
  77  inline_call_ir_r <JitCode 'W_InputType.readline'>, I[%i0], R[%r0] -> %r1
  85  L9:
  85  -live- %r1
  88  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0cb26aa0> -> %r0
  92  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  97  ref_return %r0
  99  ---
  99  L7:
  99  -live- %i0, %r0
 102  residual_call_ir_r $<* fn W_OutputType.readline>, I[%i0], R[%r0], <CallDescr(ri) EF=5> -> %r1
 111  -live- %r1
 114  goto L9
 117  ---
 117  L8:
 117  -live-
 120  raise $<* struct object>
 122  ---
 122  L2:
 122  -live- %i0, %r0
 125  getfield_gc_r %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string> -> %r1
 130  ptr_iszero %r1 -> %i1
 133  goto L4
 136  ---
 136  L3:
 136  -live-
 139  raise $<* struct object>
