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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/111414] [14 Regression] ICE in verify_gimple
 failed since r14-3719-gb34f3736356
Date: Fri, 15 Sep 2023 14:27:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111414

--- Comment #4 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:ba4c1f2bfc9ec063188b39d0281fae04c57b1416

commit r14-4037-gba4c1f2bfc9ec063188b39d0281fae04c57b1416
Author: Andrew Pinski <apinski@marvell.com>
Date:   Thu Sep 14 07:39:31 2023 -0700

    MATCH: Fix `(1 >> X) !=3D 0` pattern for vector types

    I had missed that integer_onep can match vector types with uniform cons=
tant
of `1`.
    This means the shifter could be an scalar type and then doing a compari=
son
against `0`
    would be an invalid transformation.
    This fixes the problem by adding a check for the type of the integer_on=
ep
to make
    sure it is a INTEGRAL_TYPE_P (which does not match a vector type).

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

            PR tree-optimization/111414

    gcc/ChangeLog:

            * match.pd (`(1 >> X) !=3D 0`): Check to see if
            the integer_onep was an integral type (not a vector type).

    gcc/testsuite/ChangeLog:

            * gcc.c-torture/compile/pr111414-1.c: New test.=