[Bug tree-optimization/105735] GCC failed to reduce &= loop_inv in loop.

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105735

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>:

https://gcc.gnu.org/g:fd1596f9962569afff6c9298a7c79686c6950bef

commit r14-5428-gfd1596f9962569afff6c9298a7c79686c6950bef
Author: liuhongt <hongtao....@intel.com>
Date:   Mon Oct 30 15:43:48 2023 +0800

    Handle bitop with INTEGER_CST in analyze_and_compute_bitop_with_inv_effect.

    analyze_and_compute_bitop_with_inv_effect assumes the first operand is
    loop invariant which is not the case when it's INTEGER_CST.

    gcc/ChangeLog:

            PR tree-optimization/105735
            PR tree-optimization/111972
            * tree-scalar-evolution.cc
            (analyze_and_compute_bitop_with_inv_effect): Handle bitop with
            INTEGER_CST.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr105735-3.c: New test.