   0  -live- %i0
   0  goto_if_not_int_is_true %i0, L1
   4  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aa8c8e1ec0> -> %r1
   9  setarrayitem_gc_r %r1, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aa8c8e1ec0>
  15  residual_call_ir_r $<* fn ll_int2hex__Unsigned_Bool>, I[%i0, $False], R[], <CallDescr(ii) EF=3> -> %r0
  24  -live- %r0, %r1
  24  setarrayitem_gc_r %r1, $1, %r0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aa8c8e1ec0>
  30  ref_isvirtual %r1 -> %i0
  33  -live- %i0, %r1
  33  goto_if_not %i0, L2
  37  L3:
  37  inline_call_ir_r <JitCode 'll_join_strs__v1222___simple_call__function_'>, I[$2], R[%r1] -> %r0
  45  -live- %r0
  45  ref_return %r0
  47  ---
  47  L2:
  47  int_isconstant $2 -> %i0
  50  -live- %i0, %r1
  50  goto_if_not %i0, L4
  54  goto L3
  57  ---
  57  L4:
  57  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1224___simple_call__function_>, I[$2], R[%r1], <CallDescr(ir) EF=5> -> %r0
  66  -live- %r0
  66  ref_return %r0
  68  ---
  68  L1:
  68  ref_return $<* struct rpy_string>
