On Thu, 17 Apr 2014, Jan Hubicka wrote:

> Hi,
> while compiling firefox I noticed that -fprofile-generage -flto goes to 8GB.
> It turns out that this is caused by ipa_reference no longer being disabled
> becaus in_lto_p became flag that is set later (it is not clear to me why it
> needs to be this way).
> 
> I however do not see reason why not disable ipa-reference for non-lto path, 
> too.
> 
> Bootstrapped/regtested x86_linux, comitted to mainline.
> OK for 4.9.1?

Yes.

Thanks,
Richard.

> Honza
> 
> Index: ChangeLog
> ===================================================================
> --- ChangeLog (revision 209461)
> +++ ChangeLog (working copy)
> @@ -1,5 +1,10 @@
>  2014-04-16  Jan Hubicka  <hubi...@ucw.cz>
>  
> +     * opts.c (common_handle_option): Disable -fipa-reference coorectly
> +     with -fuse-profile.
> +
> +2014-04-16  Jan Hubicka  <hubi...@ucw.cz>
> +
>       * ipa-devirt.c (odr_type_d): Add field all_derivations_known.
>       (type_all_derivations_known_p): New predicate.
>       (type_all_ctors_visible_p): New predicate.
> Index: opts.c
> ===================================================================
> --- opts.c    (revision 209461)
> +++ opts.c    (working copy)
> @@ -1732,7 +1732,7 @@ common_handle_option (struct gcc_options
>        /* FIXME: Instrumentation we insert makes ipa-reference bitmaps
>        quadratic.  Disable the pass until better memory representation
>        is done.  */
> -      if (!opts_set->x_flag_ipa_reference && opts->x_in_lto_p)
> +      if (!opts_set->x_flag_ipa_reference)
>          opts->x_flag_ipa_reference = false;
>        break;
>  
> 
> 

-- 
Richard Biener <rguent...@suse.de>
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imend"orffer

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