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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/100958] two_value_replacement should move to
 match.pd
Date: Fri, 28 Apr 2023 14:27:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100958

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Andrew Pinski <pinskia@gcc.gnu.org>:

https://gcc.gnu.org/g:1dd154f6407658d46faa4d21bfec04fc2551506a

commit r14-338-g1dd154f6407658d46faa4d21bfec04fc2551506a
Author: Andrew Pinski <apinski@marvell.com>
Date:   Tue Apr 25 19:46:40 2023 -0700

    PHIOPT: Move two_value_replacement to match.pd

    This patch converts two_value_replacement function
    into a match.pd pattern.
    It is a direct translation with only one minor change,
    does not check for the {0,+-1} case as that is handled
    before in match.pd so there is no reason to do the extra
    check for it.

    OK? Bootstrapped and tested on x86_64-linux-gnu with
    no regressions.

    gcc/ChangeLog:

            PR tree-optimization/100958
            * tree-ssa-phiopt.cc (two_value_replacement): Remove.
            (pass_phiopt::execute): Don't call two_value_replacement.
            * match.pd (a !=3D/=3D=3D CST1 ? CST2 : CST3): Add pattern to
            handle what two_value_replacement did.=