   0  -live- %i0, %r0
   3  guard_class %r0 -> %i1
   6  getfield_raw_i %i1, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_shortcut___iter__> -> %i1
  11  -live- %i0, %i1, %r0
  14  int_guard_value %i1
  16  residual_call_r_r %i1, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=7> -> %r2
  23  -live- %i0, %r0, %r2
  26  goto_if_not_int_eq %i0, $-1, L1
  31  -live- %r0, %r2
  34  goto_if_not_ptr_nonzero %r2, L2
  38  ref_copy %r2 -> %r1
  41  -live- %r0, %r1, %r2
  44  guard_class %r1 -> %i0
  47  -live- %i0, %r0, %r2
  50  goto_if_not_int_eq %i0, $<* struct object_vtable>, L3
  55  newlist $0, <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a78040c98>, FieldDescr<list.length>, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000563a58f50a30> -> %r0
  66  inline_call_r_v <JitCode 'GeneratorIterator.unpack_into'>, R[%r2, %r0]
  72  -live- %r0
  75  ref_return %r0
  77  ---
  77  L3:
  77  L4:
  77  inline_call_r_r <JitCode 'ObjSpace._unpackiterable_unknown_length'>, R[%r2, %r0] -> %r0
  84  -live- %r0
  87  ref_return %r0
  89  ---
  89  L2:
  89  goto L4
  92  ---
  92  L1:
  92  residual_call_ir_r $<* fn ObjSpace._unpackiterable_known_length>, I[%i0], R[%r2], <CallDescr(ri) EF=7> -> %r2
 101  -live- %r2
 104  arraylen_gc %r2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000563a58f50a30> -> %i0
 109  int_sub %i0, $0 -> %i0
 113  newlist %i0, <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a78040c98>, FieldDescr<list.length>, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000563a58f50a30> -> %r0
 124  getfield_gc_r %r0, FieldDescr<list.items> -> %r1
 129  residual_call_ir_v $<* fn ll_arraycopy__arrayPtr_arrayPtr_Signed_Signed_Signed>, I[$0, $0, %i0], R[%r2, %r1], <CallDescr(rriii) EF=2 OS_ARRAYCOPY>
 140  ref_return %r0
