   0  -live- %r0
   3  guard_class %r0 -> %i0
   6  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_shortcut___invert__> -> %i0
  11  inline_call_ir_r <JitCode 'dispatcher_shortcut_'>, I[%i0], R[%r0] -> %r0
  19  -live- %r0
  22  ref_return %r0
