I may just do that :).

Thanks.
Aldy

On Fri, Apr 30, 2021 at 6:10 PM Jeff Law <jeffreya...@gmail.com> wrote:
>
>
> On 4/28/2021 11:12 AM, Aldy Hernandez wrote:
> > This refactors the registry and the profitability code from the
> > backwards threader into two separate classes.  It cleans up the code,
> > and makes it easier for alternate implementations to share code.
> >
> > Tested on x86-64 Linux.
> >
> > gcc/ChangeLog:
> >
> >       * tree-ssa-threadbackward.c (class thread_jumps): Split out code
> >       from here...
> >       (class back_threader_registry): ...to here...
> >       (class back_threader_profitability): ...and here...
> >       (thread_jumps::thread_through_all_blocks): Remove argument.
> >       (back_threader_registry::back_threader_registry): New.
> >       (back_threader_registry::~back_threader_registry): New.
> >       (back_threader_registry::thread_through_all_blocks): New.
> >       (thread_jumps::profitable_jump_thread_path): Move from here...
> >       (back_threader_profitability::profitable_path_p): ...to here.
> >       (thread_jumps::find_taken_edge): New.
> >       (thread_jumps::convert_and_register_current_path): Move...
> >       (back_threader_registry::register_path): ...to here.
> >       (thread_jumps::register_jump_thread_path_if_profitable): Move...
> >       (thread_jumps::maybe_register_path): ...to here.
> >       (thread_jumps::handle_phi): Call find_taken_edge and
> >       maybe_register_path.
> >       (thread_jumps::handle_assignment): Same.
> >       (thread_jumps::fsm_find_control_statement_thread_paths): Remove
> >       tree argument to handle_phi and handle_assignment.
> >       (thread_jumps::find_jump_threads_backwards): Set m_name.  Remove
> >       set of m_speed_p and m_max_threaded_paths.
> >       (pass_thread_jumps::execute): Remove second argument from
> >       find_jump_threads_backwards.
> >       (pass_early_thread_jumps::execute): Same.
>
> OK.  And if you wanted to pull any of that code into its own file,
> consider that pre-approved.
>
> jeff
>

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