[PATCH, Google] Notify df framework when removing an insn in simplify-got

[Xinliang David Li]

ok.

David

On Tue, Jun 9, 2015 at 4:46 PM, Carrot Wei <carrot@google.com> wrote:
> Hi
>
> I forgot to notify df framework when I removed an insn, it caused df
> verification failure described in google bug b/16155462.
>
> The following patch passed regression test on arm qemu in both thumb
> and arm modes.
> OK for google 4.9 branch?
>
>
> Index: simplify-got.c
> ===================================================================
> --- simplify-got.c (revision 224174)
> +++ simplify-got.c (working copy)
> @@ -169,7 +169,10 @@
>
>    /* Since there is no usage of pic_reg now, we can remove it.  */
>    if (use)
> -    remove_insn (use);
> +    {
> +      df_insn_delete (use);
> +      remove_insn (use);
> +    }
>    targetm.got_access.clear_pic_reg ();
>    free (got_accesses);
>    htab_delete (var_table);