   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_w_valuedict> -> %r2
   5  -live- %r0, %r1, %r2
   8  goto_if_not_ptr_iszero %r2, L1
  12  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa65925830> -> %r2
  16  setfield_gc_r %r2, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  21  setfield_gc_r %r2, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  26  assert_not_none %r2
  28  -live- %r2
  31  raise %r2
  33  ---
  33  L1:
  33  residual_call_ir_i $<* fn _check_utf8>, I[$True, $0, $-1], R[%r1], <CallDescr(riii) EF=4> -> %i0
  44  -live- %i0, %r0, %r1
  47  goto_if_not_int_ge %i0, $0, L2
  52  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa8ea3a330> -> %r2
  56  setfield_gc_r %r2, %r1, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__utf8>
  61  setfield_gc_i %r2, %i0, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__length>
  66  setfield_gc_r %r2, $<* None>, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__index_storage>
  71  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_w_valuedict> -> %r1
  76  -live- %r1, %r2
  79  guard_class %r1 -> %i0
  82  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_shortcut___getitem__> -> %i0
  87  -live- %i0, %r1, %r2
  90  int_guard_value %i0
  92  residual_call_r_r %i0, <IndirectCallTargets>, R[%r1, %r2], <CallDescr(rr) EF=7> -> %r2
 100  -live- %r2
 103  ref_return %r2
 105  ---
 105  L2:
 105  int_invert %i0 -> %i0
 108  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa515b6d40> -> %r2
 112  setfield_gc_i %r2, %i0, FieldDescr<rpython.rlib.rutf8.CheckError.inst_pos>
 117  assert_not_none %r2
 119  -live- %r2
 122  raise %r2
