This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [tree-ssa] Merge results as of 2003-05-06
- From: Andrew MacLeod <amacleod at redhat dot com>
- To: Jeff Law <law at redhat dot com>
- Cc: Jason Merrill <jason at redhat dot com>,Diego Novillo <dnovillo at redhat dot com>,gcc mailing list <gcc at gcc dot gnu dot org>
- Date: 08 May 2003 15:17:48 -0400
- Subject: Re: [tree-ssa] Merge results as of 2003-05-06
- References: <200305081913.h48JD14r012026@speedy.slc.redhat.com>
On Thu, 2003-05-08 at 15:13, law@redhat.com wrote:
> The VAR_DECL for "w" is never marked with the out_of_ssa_tag.
>
> Anyway, we need to look at the VUSE operands to ensure that w gets marked
> as being used.
>
> I don't know what further work you've got planned, but at least for now
> I don't think we can really rely on the out_of_ssa_tag bit to tell us
> what variables were used since we care about variables which are effectively
> ignored by the out-of-ssa pass.
In this case it never will be marked, so you can't use it I guess.
Too bad.
Andrew