   0  -live- %i0
   3  goto_if_not_int_is_true %i0, L1
   7  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000aaaaf0e56f00> -> %r0
  12  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000aaaaf0e56f00>
  18  residual_call_ir_r $<* fn ll_int2hex__Unsigned_Bool>, I[%i0, $False], R[], <CallDescr(ii) EF=3> -> %r1
  27  -live- %r0, %r1
  30  setarrayitem_gc_r %r0, $1, %r1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000aaaaf0e56f00>
  36  inline_call_ir_r <JitCode 'll_join_strs_look_inside_iff__Signed_arrayPtr_Ptr_GcStruct_rpy_stringLlT'>, I[$2], R[%r0] -> %r0
  44  -live- %r0
  47  ref_return %r0
  49  ---
  49  L1:
  49  ref_return $<* struct rpy_string>
