On Wed, Mar 15, 2023 at 01:07:56PM +, Richard Biener wrote:
> The following patch was bootstrapped and tested on
> x86_64-unknown-linux-gnu. It now doesn't regress anything in the
> testsuite but on its own it has the chance to (by luck maybe
> avoided previosuly due to the PHI compare bug) i
On Wed, 15 Mar 2023, Richard Biener wrote:
> On Wed, 15 Mar 2023, Jakub Jelinek wrote:
>
> > On Wed, Mar 15, 2023 at 10:48:32AM +, Richard Biener wrote:
> > > use_after_inval_p uses stmt UIDs to speed up repeated dominance
> > > checks within a basic-block but it fails to assign UIDs to PHIs
On Wed, 15 Mar 2023, Jakub Jelinek wrote:
> On Wed, Mar 15, 2023 at 10:48:32AM +, Richard Biener wrote:
> > use_after_inval_p uses stmt UIDs to speed up repeated dominance
> > checks within a basic-block but it fails to assign UIDs to PHIs
> > which means compares with PHIs in the same block g
On Wed, Mar 15, 2023 at 10:48:32AM +, Richard Biener wrote:
> use_after_inval_p uses stmt UIDs to speed up repeated dominance
> checks within a basic-block but it fails to assign UIDs to PHIs
> which means compares with PHIs in the same block get a random
> result.
>
> The following factors re
