Re: [PATCH] Don't set full_profile in auto-profile [PR113765]

[Richard Biener <richard.guenther@gmail.com>]

On Thu, Mar 28, 2024 at 4:03 AM Eugene Rozenfeld
<Eugene.Rozenfeld@microsoft.com> wrote:
>
> auto-profile currently doesn't guarantee that it will set probabilities
> on all edges because of zero basic block counts. Normally those edges
> just have probabilities set by the preceding profile_estimate pass but
> under -O0 profile_estimate pass doesn't run. The patch removes setting
> of full_profile to true in auto-profile.

OK.

Thanks,
Richard.

> Tested on x86_64-pc-linux-gnu.
>
> gcc/ChangeLog:
>         * auto-profile.cc (afdo_annotate_cfg): Don't set full_profile to true
> ---
>  gcc/auto-profile.cc | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/gcc/auto-profile.cc b/gcc/auto-profile.cc
> index e5407d32fbb..de59b94bcb3 100644
> --- a/gcc/auto-profile.cc
> +++ b/gcc/auto-profile.cc
> @@ -1580,7 +1580,6 @@ afdo_annotate_cfg (const stmt_set &promoted_stmts)
>      }
>    update_max_bb_count ();
>    profile_status_for_fn (cfun) = PROFILE_READ;
> -  cfun->cfg->full_profile = true;
>    if (flag_value_profile_transformations)
>      {
>        gimple_value_profile_transformations ();
> --
> 2.25.1
>