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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/109812] GraphicsMagick resize is a lot slower in GCC
 13.1 vs Clang 16 on Intel Raptor Lake
Date: Wed, 31 May 2023 16:52:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109812

--- Comment #14 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #13)
> The only difference between slp vectorization is:
>=20
> -  # _68 =3D PHI <_5(3)>
> -  # _67 =3D PHI <_11(3)>
> -  # _66 =3D PHI <_16(3)>
> -  <retval>.r =3D _68;
> -  <retval>.g =3D _67;
> -  <retval>.b =3D _66;
> +  # _70 =3D PHI <_5(3)>
> +  # _69 =3D PHI <_11(3)>
> +  # _68 =3D PHI <_16(3)>
> +  <retval>.r =3D _70;
> +  <retval>.g =3D _69;
> +  <retval>.b =3D _68;
> +  <retval>.o =3D r$o_33(D);
>=20
> so SRA invents r$o_33(D) even if that variable is undefined.

Is this the testcase from comment #10 ?  I don't see r$o in my dumps.=