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> -----Original Message-----
> From: Tamar Christina
> Sent: Wednesday, January 15, 2025 2:08 PM
> To: Alex Coplan <alex.cop...@arm.com>; gcc-patches@gcc.gnu.org
> Cc: Richard Biener <rguent...@suse.de>; Jan Hubicka <hubi...@ucw.cz>
> Subject: RE: [PATCH 4/4] vect: Fix scale_profile_for_vect_loop for multiple
> exits
> [PR117790]
>
> Ping
>
> > -----Original Message-----
> > From: Alex Coplan <alex.cop...@arm.com>
> > Sent: Monday, January 6, 2025 11:36 AM
> > To: gcc-patches@gcc.gnu.org
> > Cc: Richard Biener <rguent...@suse.de>; Jan Hubicka <hubi...@ucw.cz>; Tamar
> > Christina <tamar.christ...@arm.com>
> > Subject: [PATCH 4/4] vect: Fix scale_profile_for_vect_loop for multiple
> > exits
> > [PR117790]
> >
> > This adjusts scale_profile_for_vect_loop to DTRT for loops with multiple
> > exits,
> > namely using scale_loop_profile_hold_exit_counts instead and scaling the
> > expected niters by 1 / VF.
> >
> > Tested as a series on aarch64-linux-gnu, arm-linux-gnueabihf, and
> > x86_64-linux-gnu. OK for trunk?
> >
> > Thanks,
> > Alex
> >
> > gcc/ChangeLog:
> >
> > PR tree-optimization/117790
> > * tree-vect-loop.cc (scale_profile_for_vect_loop): Use
> > scale_loop_profile_hold_exit_counts instead of scale_loop_profile. Drop
> > the exit edge parameter, since the code now handles multiple exits.
> > Adjust the caller ...
> > (vect_transform_loop): ... here.
> >
> > gcc/testsuite/ChangeLog:
> >
> > PR tree-optimization/117790
> > * gcc.dg/vect/vect-early-break-profile-2.c: New test.
> > ---
> > .../gcc.dg/vect/vect-early-break-profile-2.c | 21 +++++++++++++++++++
> > gcc/tree-vect-loop.cc | 21 ++++++-------------
> > 2 files changed, 27 insertions(+), 15 deletions(-)
> > create mode 100644 gcc/testsuite/gcc.dg/vect/vect-early-break-profile-2.c
