   0  inline_call_ir_i <JitCode 'int_w__pypy_interpreter_baseobjspace_W_Root'>, I[$True], R[%r0] -> %i0
   8  -live- %i0, %r0
  11  catch_exception L1
  14  int_is_zero %i0 -> %i0
  17  int_return %i0
  19  ---
  19  L1:
  19  inline_call_r_r <JitCode 'get_nullptr'>, R[] -> %r1
  24  -live- %r0, %r1
  27  guard_class %r1 -> %i0
  30  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_is_w> -> %i0
  35  -live- %i0, %r0, %r1
  38  int_guard_value %i0
  40  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1, %r0], <CallDescr(rr) EF=7> -> %i0
  48  -live- %i0
  51  goto_if_not %i0, L2
  55  int_return $True
  57  ---
  57  L2:
  57  int_return $False
