   0  L1:
   0  -live- %r0
   3  getfield_vable_r %r0, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_lastblock> -> %r1
   8  -live- %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  ref_copy %r0 -> %r3
  25  getfield_gc_r_pure %r1, FieldDescr<pypy.interpreter.pyopcode.FrameBlock.inst_previous> -> %r2
  30  -live- %r0, %r1, %r2, %r3
  33  setfield_vable_r %r3, %r2, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_lastblock>
  38  -live- %r0, %r1, %r3
  41  guard_class %r1 -> %i0
  44  getfield_raw_i %i0, FieldDescr<pypy.interpreter.pyopcode.FrameBlock_vtable.cls_handling_mask> -> %i0
  49  int_and %i0, $2 -> %i0
  53  -live- %i0, %r0, %r1, %r3
  56  goto_if_not_int_is_true %i0, L3
  60  ref_return %r1
  62  ---
  62  L3:
  62  getfield_gc_i_pure %r1, FieldDescr<pypy.interpreter.pyopcode.FrameBlock.inst_valuestackdepth> -> %i0
  67  inline_call_ir_v <JitCode 'PyFrame.dropvaluesuntil'>, I[%i0], R[%r3]
  74  -live- %r0
  77  goto L1
