   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bufferobject.W_Buffer.inst_buf> -> %r0
   5  -live- %r0
   5  guard_class %r0 -> %i0
   8  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_as_str> -> %i0
  13  -live- %i0, %r0
  13  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  17  unreachable
  18  ---
  18  L1:
  18  -live- %r0
  18  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
  23  L4:
  23  -live- %r0
  23  goto_if_not_ptr_nonzero %r0, L5
  27  strhash %r0 -> %i0
  30  conditional_call_value_ir_i %i0, $<* fn _ll_strhash__rpy_stringPtr>, I[], R[%r0], <CallDescr(r) EF=2> -> %i0
  39  int_eq %i0, $-1 -> %i1
  43  int_sub %i0, %i1 -> %i0
  47  L6:
  47  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff5768f2d0> -> %r0
  51  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  56  ref_return %r0
  58  ---
  58  L5:
  58  int_copy $0 -> %i0
  61  goto L6
  64  ---
  64  L2:
  64  -live-
  64  raise $<* struct object>
  66  ---
  66  L3:
  66  -live- %r0
  66  inline_call_r_r <JitCode 'Buffer.as_str'>, R[%r0] -> %r0
  72  -live- %r0
  72  goto L4
