[Mesa-dev] [Bug 111578] ineg of b2i32 optimization does not trigger

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111578

--- Comment #1 from Ian Romanick <idr at freedesktop.org> ---
I haven't verified yet, but a 'git bisect run' that I let go over night says,

44227453ec03f5462f1cff5760909a9dba95c61a is the first bad commit
commit 44227453ec03f5462f1cff5760909a9dba95c61a
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Fri Oct 19 11:14:47 2018 -0500

    nir: Switch to using 1-bit Booleans for almost everything

    This is a squash of a few distinct changes:

        glsl,spirv: Generate 1-bit Booleans

        Revert "Use 32-bit opcodes in the NIR producers and optimizations"

        Revert "nir/builder: Generate 32-bit bool opcodes transparently"

        nir/builder: Generate 1-bit Booleans in nir_build_imm_bool

    Reviewed-by: Eric Anholt <eric at anholt.net>
    Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
    Tested-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

:040000 040000 704b07a7770ac6639a1d7359e7f4af20becfc7d3
4376841397ec5ade287aa9dc38727206cb6efc63 M      src

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