[Mesa-dev] [PATCH 3/4] nir/search: Extend 'a at bool' to handle a couple of system values.

[Matt Turner]

On Wed, Aug 17, 2016 at 3:03 PM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> load_front_face and load_helper_invocation produce booleans.
>
> On Broadwell:
>
> total instructions in shared programs: 11638956 -> 11638011 (-0.01%)
> instructions in affected programs: 115093 -> 114148 (-0.82%)
> helped: 628
> HURT: 14

I looked at one of the regressions. Looks like noise caused by hitting
the fs_visitor::optimize_frontfacing_ternary() path when the
frontfacing value is already available.

The series is

Reviewed-by: Matt Turner <mattst88 at gmail.com>