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From: Jan Hubicka <hubicka@ucw.cz>
To: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>, mjambor@suse.cz
Cc: gcc-bugs@gcc.gnu.org
Subject: Re: [Bug middle-end/111088] useless 'xor eax,eax' inserted when a value is not returned and icf
Date: Mon, 21 Aug 2023 18:27:47 +0200	[thread overview]
Message-ID: <ZOOQg2HURXp4PiPs@kam.mff.cuni.cz> (raw)
In-Reply-To: <bug-111088-4-gAd4SmILhv@http.gcc.gnu.org/bugzilla/>

> But adds a return with a value. And then the inliner inlines foo into foo2 but
> we still have the return with a value around ...
I guess ICF can special case unused return value, but why this is not
taken care of by ipa-sra?

  reply	other threads:[~2023-08-21 16:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-21 10:09 [Bug c/111088] New: useless 'xor eax,eax' inserted when a value is not returned charly.poyac at gmail dot com
2023-08-21 13:59 ` [Bug middle-end/111088] useless 'xor eax,eax' inserted when a value is not returned and icf pinskia at gcc dot gnu.org
2023-08-21 16:23 ` pinskia at gcc dot gnu.org
2023-08-21 16:27   ` Jan Hubicka [this message]
2023-08-21 16:27 ` [Bug ipa/111088] " hubicka at ucw dot cz
2023-08-22  6:49 ` rguenth at gcc dot gnu.org
2023-08-23 12:29 ` jamborm at gcc dot gnu.org

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