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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/99834] missed optimization for dead code elimination at -O3
 (vs. -O2)
Date: Fri, 18 Aug 2023 01:39:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99834

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The other way of optimizing this is to see that the return value of d is 0
(even early on) and do a const prop of that ... IN a sense an IPA-CCP for
return values rather than for argument passing.=