On Thu, Jul 24, 2025 at 4:23 AM Jeff Law via Gcc wrote:
>
>
>
> On 7/23/25 5:45 PM, Andrew Pinski via Gcc wrote:
> > Hi all,
> >When I improved DSE to remove stores where the rhs is known 100% to be
> > an uninitialized variables (ssa_undefined_value_p), I get a few regressions
> > due to an
On 7/23/25 5:45 PM, Andrew Pinski via Gcc wrote:
Hi all,
When I improved DSE to remove stores where the rhs is known 100% to be an
uninitialized variables (ssa_undefined_value_p), I get a few regressions due to
an uninitialized warning does not happen:
gcc.dg/uninit-40.c for an example. (
> -Original Message-
> From: Andrew Pinski
> Sent: Wednesday, July 23, 2025 4:45 PM
> To: gcc@gcc.gnu.org
> Subject: RFC/RFH: uninit warning vs DSE of store from a
> known uninitialized variable
>
> Hi all,
> When I improved DSE to remove stores where the rhs is
> known 100% to be an un
