   0  int_sub %i1, %i0 -> %i2
   4  inline_call_ir_i <JitCode 'll_jit_try_append_slice__stringbuilderPtr_rpy_stringPtr_Signed_Signed'>, I[%i0, %i2], R[%r0, %r1] -> %i2
  14  -live- %i0, %i1, %i2, %r0, %r1
  17  goto_if_not %i2, L1
  21  void_return
  22  ---
  22  L1:
  22  residual_call_ir_v $<* fn ll_append_res_slice__stringbuilderPtr_rpy_stringPtr_Signed_Signed>, I[%i0, %i1], R[%r0, %r1], <CallDescr(rrii) EF=5>
  32  -live-
  35  void_return
