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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug other/102605] address instruction from -fdump-tree-*-gimple
 doesn't work with -fgimple
Date: Wed, 06 Oct 2021 06:11:15 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102605

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 5 Oct 2021, aldyh at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102605
>=20
> --- Comment #2 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> (In reply to Richard Biener from comment #1)
> > You need
> >=20
> >   if (p_2(D) =3D=3D _Literal (char *) &global[2])
> >=20
> > and of course you need to provide the
> >=20
> > char global[10];
> >=20
> > declaration.  And then we still need to fix some sanity checking in the
> > frontend.
>=20
> Thanks for the patch.  I'll need something like it in order to write some=
 jump
> threading tests for missing MEM_REF cases.
>=20
> It would be nice if -fdump-tree-*-gimple would match what -fgimple expect=
s, at
> the least with regards to this _Literal business.

Yeah, I have posted a patch but that has some testsuite fallout (meh).

> BTW, the __MEM_REF output from the dumps does not work in -fgimple either=
.=20
> More errors.

Can you share an example?

Thanks,
Richard.=