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Re: [GOOGLE] Updates SSA after VPT transofrmations in AFDO pass
- From: Xinliang David Li <davidxl at google dot com>
- To: Dehao Chen <dehao at google dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Luis Lozano <llozano at google dot com>
- Date: Thu, 3 Apr 2014 11:02:22 -0700
- Subject: Re: [GOOGLE] Updates SSA after VPT transofrmations in AFDO pass
- Authentication-results: sourceware.org; auth=none
- References: <CAO2gOZWK_yiiFO7u+Bhtrf6rJhCfwQj8mgD2zBYypqsM4nA_DA at mail dot gmail dot com>
looks fine.
David
On Thu, Apr 3, 2014 at 10:56 AM, Dehao Chen <dehao@google.com> wrote:
> This patch updates SSA after VPT transformation. This is needed
> because compute_inline_parameters will ICE without updated SSA.
>
> Testing on-going.
>
> OK for google-4_8?
>
> Thanks,
> Dehao
>
> Index: gcc/auto-profile.c
> ===================================================================
> --- gcc/auto-profile.c (revision 209059)
> +++ gcc/auto-profile.c (working copy)
> @@ -1448,6 +1448,7 @@ afdo_vpt_for_early_inline (stmt_set *promoted_stmt
> free_dominance_info (CDI_POST_DOMINATORS);
> calculate_dominance_info (CDI_POST_DOMINATORS);
> calculate_dominance_info (CDI_DOMINATORS);
> + update_ssa (TODO_update_ssa);
> rebuild_cgraph_edges ();
> return true;
> }