   0  new_array_clear $1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000000018e892138> -> %r1
   5  inline_call_r_r <JitCode 'll_str__InstanceR_pypy_interpreter_bas_pypy_interpreter_baseobjspace_W_RootPtr'>, R[%r0] -> %r0
  11  -live- %r0, %r1
  11  setarrayitem_gc_r %r1, $0, %r0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000000018e892138>
  17  ref_isvirtual %r1 -> %i0
  20  -live- %i0, %r1
  20  goto_if_not %i0, L1
  24  L2:
  24  inline_call_ir_r <JitCode 'll_join_strs__v1222___simple_call__function_'>, I[$1], R[%r1] -> %r1
  32  -live- %r1
  32  L3:
  32  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000000174027cc8> -> %r0
  36  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  41  ref_return %r0
  43  ---
  43  L1:
  43  int_isconstant $1 -> %i0
  46  -live- %i0, %r1
  46  goto_if_not %i0, L4
  50  goto L2
  53  ---
  53  L4:
  53  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1224___simple_call__function_>, I[$1], R[%r1], <CallDescr(ir) EF=5> -> %r1
  62  -live- %r1
  62  goto L3
