[PATCH GCC8][04/33]Single interface finding invariant variables

[Richard Biener]

On Tue, Apr 18, 2017 at 12:39 PM, Bin Cheng <Bin.Cheng@arm.com> wrote:
> Hi,
> This patch refactors interface finding invariant variables.  Now customers
> only need to call find_inv_vars, rather than set global variable fd_ivopts_data
> then call walk_tree.
> Is it OK?

Ok.

RIchard.

> Thanks,
> bin
>
> 2017-04-11  Bin Cheng  <bin.cheng@arm.com>
>
>         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
>         (find_inv_vars_cb): New.
>         (find_depends): Renamed to ...
>         (find_inv_vars): ... this.
>         (add_candidate_1, force_var_cost): Call find_inv_vars.
>         (split_address_cost, determine_group_iv_cost_cond): Ditto.