> When experimenting with IPA-CP parameters, especially when looking
> into exchange2_r, it has been very useful to know what the value of
> overall_size is at different stages of the decision process. This
> patch therefore adds it to the generated dumps.
>
> gcc/ChangeLog:
>
> 2020-09-07 Martin Jambor <mjam...@suse.cz>
>
> * ipa-cp.c (estimate_local_effects): Add overeall_size to dumped
> string.
> (decide_about_value): Add dumping new overall_size.
OK,
thanks
Honza
> ---
> gcc/ipa-cp.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
> index f6320c787de..12acf24c553 100644
> --- a/gcc/ipa-cp.c
> +++ b/gcc/ipa-cp.c
> @@ -3517,7 +3517,8 @@ estimate_local_effects (struct cgraph_node *node)
>
> if (dump_file)
> fprintf (dump_file, " Decided to specialize for all "
> - "known contexts, growth deemed beneficial.\n");
> + "known contexts, growth (to %li) deemed "
> + "beneficial.\n", overall_size);
> }
> else if (dump_file && (dump_flags & TDF_DETAILS))
> fprintf (dump_file, " Not cloning for all contexts because "
> @@ -5506,6 +5507,9 @@ decide_about_value (struct cgraph_node *node, int
> index, HOST_WIDE_INT offset,
> val->spec_node = create_specialized_node (node, known_csts, known_contexts,
> aggvals, callers);
> overall_size += val->local_size_cost;
> + if (dump_file && (dump_flags & TDF_DETAILS))
> + fprintf (dump_file, " overall size reached %li\n",
> + overall_size);
>
> /* TODO: If for some lattice there is only one other known value
> left, make a special node for it too. */
> --
> 2.28.0
>
