> Hi,
>
> When building vectors of known aggregate values, there is no point in
> including those for parameters which are not used in any way
> whatsoever.
>
> Bootstrapped and tested on x86_64-linux. OK for master?
OK,
thanks!
Honza
>
> Thanks,
>
> Martin
>
>
> gcc/ChangeLog:
>
> 2022-11-11 Martin Jambor <mjam...@suse.cz>
>
> * ipa-cp.cc (push_agg_values_from_edge): Do not consider constants
> in unused aggregate parameters.
> ---
> gcc/ipa-cp.cc | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/ipa-cp.cc b/gcc/ipa-cp.cc
> index d2bcd5e5e69..02bd6a0fd1a 100644
> --- a/gcc/ipa-cp.cc
> +++ b/gcc/ipa-cp.cc
> @@ -5783,7 +5783,8 @@ push_agg_values_from_edge (struct cgraph_edge *cs,
> }
>
> ipcp_param_lattices *plats = ipa_get_parm_lattices (dest_info, index);
> - if (plats->aggs_bottom)
> + if (!ipa_is_param_used (dest_info, index)
> + || plats->aggs_bottom)
> continue;
> push_agg_values_for_index_from_edge (cs, index, res, interim);
> }
> --
> 2.38.0
>
