   0  inline_call_ir_r <JitCode 'interp_w__W_InstanceObject'>, I[$False], R[%r0] -> %r0
   8  -live- %r0
   8  inline_call_ir_r <JitCode 'W_InstanceObject.getattr'>, I[$False], R[%r0, $<* struct rpy_string>] -> %r1
  17  -live- %r0, %r1
  17  -live- %r0, %r1
  17  goto_if_not_ptr_iszero %r1, L1
  21  inline_call_r_r <JitCode 'W_InstanceObject.descr_int'>, R[%r0] -> %r0
  27  -live- %r0
  27  ref_return %r0
  29  ---
  29  L1:
  29  inline_call_r_r <JitCode 'call_function__star_0'>, R[%r1] -> %r0
  35  -live- %r0
  35  ref_return %r0
