[Mesa-dev] [PATCH 1/4] nir: add inot algebraic opt

[Jason Ekstrand]

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

On Sun, Jul 15, 2018 at 4:26 PM Timothy Arceri <tarceri at itsqueeze.com>
wrote:

> Noticed in a unigine shader.
> ---
>  src/compiler/nir/nir_opt_algebraic.py | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/src/compiler/nir/nir_opt_algebraic.py
> b/src/compiler/nir/nir_opt_algebraic.py
> index 5e07d662b07..0986dde6851 100644
> --- a/src/compiler/nir/nir_opt_algebraic.py
> +++ b/src/compiler/nir/nir_opt_algebraic.py
> @@ -223,6 +223,7 @@ optimizations = [
>     (('bcsel', ('inot', a), b, c), ('bcsel', a, c, b)),
>     (('bcsel', a, ('bcsel', a, b, c), d), ('bcsel', a, b, d)),
>     (('bcsel', a, True, 'b at bool'), ('ior', a, b)),
> +   (('inot', ('bcsel', a, ('inot', b), c)), ('bcsel', a, b, ('inot', c))),
>     (('fmin', a, a), a),
>     (('fmax', a, a), a),
>     (('imin', a, a), a),
> --
> 2.17.1
>
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