> > The patch requires bit of testsuite changes
> > - I disabled ch in loop-unswitch-17.c since it tests unswitching of
> >loop invariant conditional.
> > - pr103079.c needs ch disabled to trigger vrp situation it tests for
> >(otherwise we optimize stuff earlier and better)
> > - copy-h
On Fri, Jul 21, 2023 at 1:53 PM Jan Hubicka via Gcc-patches
wrote:
>
> Hi,
> currently loop-ch skips all do-while loops. But when loop is not do-while
> in addition to original goal of turining it to do-while it can do additional
> things:
> 1) move out loop invariant computations
> 2) duplicat
