   0  -live- %i0, %r0
   0  goto_if_not_int_is_zero %i0, L1
   4  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1004c64c850> -> %r1
   8  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  13  -live- %r1
  13  raise %r1
  15  ---
  15  L1:
  15  inline_call_ir_r <JitCode 'UnpackFormatIterator.read'>, I[%i0], R[%r0] -> %r1
  23  -live- %i0, %r0, %r1
  23  strgetitem %r1, $0 -> %i1
  27  int_add %i1, $1 -> %i1
  31  -live- %i0, %i1, %r0, %r1
  31  goto_if_not_int_gt %i1, %i0, L2
  36  int_copy %i0 -> %i1
  39  L3:
  39  strlen %r1 -> %i0
  42  -live- %i0, %i1, %r0, %r1
  42  goto_if_not_int_gt %i1, %i0, L4
  47  strlen %r1 -> %i1
  50  L5:
  50  residual_call_ir_r $<* fn _ll_stringslice__rpy_stringPtr_Signed_Signed>, I[$1, %i1], R[%r1], <CallDescr(rii) EF=3 OS_STR_SLICE> -> %r1
  60  -live- %r0, %r1
  60  getfield_gc_r %r0, FieldDescr<pypy.module.struct.formatiterator.UnpackFormatIterator.inst_result_w> -> %r0
  65  -live- %r0, %r1
  65  goto_if_not_ptr_iszero %r1, L6
  69  ref_copy $<* struct object> -> %r2
  72  L7:
  72  getfield_gc_i %r0, FieldDescr<list.length> -> %i0
  77  int_add %i0, $1 -> %i1
  81  inline_call_ir_v <JitCode '_ll_list_resize_ge__listPtr_Signed'>, I[%i1], R[%r0]
  88  -live- %i0, %r0, %r2
  88  setlistitem_gc_r %r0, %i0, %r2, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x1009f2142d0>
  96  void_return
  97  ---
  97  L6:
  97  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10096124f10> -> %r2
 101  setfield_gc_r %r2, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
 106  goto L7
 109  ---
 109  L4:
 109  goto L5
 112  ---
 112  L2:
 112  goto L3
