On Fri, 24 Sep 2021 17:46:53 +0200
Aldy Hernandez via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
> p.s. "Did I say 5 weeks? My bad, I meant 5 months."
heh. units (.oO~"xkcd.com/1047/")
> +static unsigned int
> +execute_vrp_threader (function *fun)
> +{
> + hybrid_threader threader;
> + threader.thread_jumps (fun);
> + threader.thread_through_all_blocks ();
> + return 0;
> +}
> +
> +namespace {
> +
> +const pass_data pass_data_vrp_threader =
> +{
> + GIMPLE_PASS, /* type */
> + "vrp-thread", /* name */
> + OPTGROUP_NONE, /* optinfo_flags */
> + TV_TREE_VRP, /* tv_id */
> + PROP_ssa, /* properties_required */
> + 0, /* properties_provided */
> + 0, /* properties_destroyed */
> + 0, /* todo_flags_start */
> + ( TODO_cleanup_cfg | TODO_update_ssa ), /* todo_flags_finish */
> +};
So shouldn't non-jumpy or flat code avoid the cleanup_cfg or
update_ssa iff neither the function nor anything else was threaded?
thanks,
