   0  -live- %r0
   0  goto_if_not_ptr_iszero %r0, L1
   4  L2:
   4  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1007a0fe4d0> -> %r1
   8  setfield_gc_i %r1, $0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType.inst_softspace>
  13  setfield_gc_i %r1, $False, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed>
  18  setfield_gc_r %r1, $<* struct stringbuilder>, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__strings>
  23  setfield_gc_r %r1, $<* struct list>, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__bigbuffer>
  28  setfield_gc_i %r1, $-1, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__pos>
  33  ref_return %r1
  35  ---
  35  L1:
  35  inline_call_r_i <JitCode 'W_Root.is_w'>, R[$<* struct pypy.interpreter.baseobjspace.W_Root>, %r0] -> %i0
  42  -live- %i0, %r0
  42  -live- %i0, %r0
  42  goto_if_not %i0, L3
  46  goto L2
  49  ---
  49  L3:
  49  inline_call_r_r <JitCode 'getarg_w__s_'>, R[$<* struct rpy_string>, %r0] -> %r0
  56  -live- %r0
  56  -live- %r0
  56  guard_class %r0 -> %i0
  59  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_as_str> -> %i0
  64  -live- %i0, %r0
  64  switch %i0, <SwitchDictDescr 0:L4, 1:L5>
  68  unreachable
  69  ---
  69  L4:
  69  -live- %r0
  69  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
  74  L6:
  74  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1003fde0810> -> %r1
  78  setfield_gc_i %r1, $0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType.inst_softspace>
  83  setfield_gc_r %r1, %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string>
  88  setfield_gc_i %r1, $0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_pos>
  93  ref_return %r1
  95  ---
  95  L5:
  95  -live- %r0
  95  inline_call_r_r <JitCode 'Buffer.as_str'>, R[%r0] -> %r0
 101  -live- %r0
 101  goto L6
