   0  L1:
   0  -live- %i0, %r0
   3  getfield_vable_r %r0, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_lastblock> -> %r1
   8  -live- %i0, %r0, %r1
  11  goto_if_not_ptr_iszero %r1, L2
  15  setfield_gc_i %r0, $True, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_frame_finished_execution>
  20  ref_return $<* struct pypy.interpreter.pyopcode.FrameBlock>
  22  ---
  22  L2:
  22  -live- %i0, %r0
  25  getfield_vable_r %r0, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_lastblock> -> %r1
  30  getfield_gc_r_pure %r1, FieldDescr<pypy.interpreter.pyopcode.FrameBlock.inst_previous> -> %r2
  35  -live- %i0, %r0, %r1, %r2
  38  setfield_vable_r %r0, %r2, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_lastblock>
  43  -live- %i0, %r0, %r1
  46  guard_class %r1 -> %i1
  49  getfield_raw_i %i1, FieldDescr<pypy.interpreter.pyopcode.FrameBlock_vtable.cls_handling_mask> -> %i1
  54  int_and %i1, %i0 -> %i1
  58  -live- %i0, %i1, %r0, %r1
  61  goto_if_not_int_is_true %i1, L3
  65  ref_return %r1
  67  ---
  67  L3:
  67  getfield_gc_i_pure %r1, FieldDescr<pypy.interpreter.pyopcode.FrameBlock.inst_valuestackdepth> -> %i1
  72  inline_call_ir_v <JitCode 'dropvaluesuntil__AccessDirect_None'>, I[%i1], R[%r0]
  79  -live- %i0, %r0
  82  goto L1
