From: Jeff Law <jeffreyalaw@gmail.com>
To: Richard Biener <richard.guenther@gmail.com>,
Aldy Hernandez <aldyh@redhat.com>
Cc: GCC patches <gcc-patches@gcc.gnu.org>,
"MacLeod, Andrew" <amacleod@redhat.com>
Subject: Re: [PATCH] Reset relations when crossing backedges.
Date: Sat, 19 Mar 2022 13:27:00 -0600 [thread overview]
Message-ID: <616cbac6-a325-135c-9cf2-7a006514042d@gmail.com> (raw)
In-Reply-To: <CAFiYyc2A2L=a=gUfv-CUva_VNwo5_Xf+VxYTrh-THALhxXQJZw@mail.gmail.com>
On 2/2/2022 2:27 AM, Richard Biener wrote:
> On Tue, Feb 1, 2022 at 7:41 PM Aldy Hernandez <aldyh@redhat.com> wrote:
>> Ping
> I didn't quite get Jeffs comment, so I waited (sorry). I've meanwhile added
Sorry. IIRC the concern was whether or not we need to do something
special for irreducible regions. In that case which edge gets marked as
the backedge depends on graph traversal order. My suggestion was to use
the dominance relationship instead of edge flags.
Jeff
next prev parent reply other threads:[~2022-03-19 19:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-21 8:29 Aldy Hernandez
2022-01-21 9:43 ` Richard Biener
2022-01-21 10:29 ` Aldy Hernandez
2022-01-21 10:56 ` Richard Biener
2022-01-21 12:11 ` Aldy Hernandez
2022-01-24 8:50 ` Richard Biener
2022-01-24 19:20 ` Aldy Hernandez
2022-02-01 18:41 ` Aldy Hernandez
2022-02-02 9:27 ` Richard Biener
2022-03-19 19:27 ` Jeff Law [this message]
2022-03-21 7:49 ` Richard Biener
2022-01-24 22:58 ` Jeff Law
2022-02-09 17:43 ` Martin Jambor
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