   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_is_closed> -> %i0
   8  -live- %i0, %r0
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %r0
  13  getfield_gc_i %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed> -> %i0
  18  L4:
  18  -live- %i0, %r0
  18  goto_if_not %i0, L5
  22  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000018e6b98a0> -> %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 -> %i0
  41  -live- %r0
  41  raise %r0
  43  ---
  43  L5:
  43  -live- %r0
  43  guard_class %r0 -> %i0
  46  getfield_raw_i %i0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_readline> -> %i0
  51  -live- %i0, %r0
  51  switch %i0, <SwitchDictDescr 0:L6, 1:L7, 2:L8>
  55  unreachable
  56  ---
  56  L6:
  56  -live- %r0
  56  residual_call_ir_r $<* fn W_OutputType.readline>, I[$-1], R[%r0], <CallDescr(ri) EF=5> -> %r1
  65  -live- %r1
  65  L9:
  65  strlen %r1 -> %i0
  68  -live- %i0, %r1
  68  goto_if_not_int_is_zero %i0, L10
  72  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000000186204d08> -> %r0
  76  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  81  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  86  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  91  assert_not_none %r0
  93  -live- %r0
  93  guard_class %r0 -> %i0
  96  -live- %r0
  96  raise %r0
  98  ---
  98  L10:
  98  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000000174027cc8> -> %r0
 102  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
 107  ref_return %r0
 109  ---
 109  L7:
 109  -live- %r0
 109  inline_call_ir_r <JitCode 'W_InputType.readline'>, I[$-1], R[%r0] -> %r1
 117  -live- %r1
 117  goto L9
 120  ---
 120  L8:
 120  -live-
 120  raise $<* struct object>
 122  ---
 122  L2:
 122  -live- %r0
 122  getfield_gc_r %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string> -> %r1
 127  ptr_iszero %r1 -> %i0
 130  goto L4
 133  ---
 133  L3:
 133  -live-
 133  raise $<* struct object>
