On Mon, 2016-12-19 at 20:11 -0800, Jason Ekstrand wrote:
> ---
>  src/mesa/drivers/dri/i965/brw_nir.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_nir.c
> b/src/mesa/drivers/dri/i965/brw_nir.c
> index 0c1fb44..a091861 100644
> --- a/src/mesa/drivers/dri/i965/brw_nir.c
> +++ b/src/mesa/drivers/dri/i965/brw_nir.c
> @@ -429,6 +429,8 @@ nir_optimize(nir_shader *nir, const struct
> brw_compiler *compiler,
>        OPT(nir_opt_algebraic);
>        OPT(nir_opt_constant_folding);
>        OPT(nir_opt_dead_cf);
> +      OPT(nir_opt_trivial_continues);
> +      OPT(nir_opt_if);

I'm seeing regressions in my series for Vulkan (the Vulkan CTS was only
enabled for my branch today).  I wonder if we should be applying your
series before mine? Either way this or a similar patch is:

Reviewed-by: Timothy Arceri <timothy.arc...@collabora.com>

>        if (nir->options->max_unroll_iterations != 0) {
>           OPT(nir_opt_loop_unroll, indirect_mask);
>        }
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