[Mesa-dev] [PATCH 10/10] i965/nir: Use Global Code Motion

[Connor Abbott]

Maybe we should run this after DCE so that we don't do unnecessary
work by scheduling stuff that we then delete.

On Thu, Feb 5, 2015 at 5:29 PM, Jason Ekstrand <jason at jlekstrand.net> wrote:
> ---
>  src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> index c3c268c..ba03291 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> @@ -42,6 +42,8 @@ nir_optimize(nir_shader *nir)
>        nir_validate_shader(nir);
>        progress |= nir_copy_prop(nir);
>        nir_validate_shader(nir);
> +      nir_opt_gcm(nir);
> +      nir_validate_shader(nir);
>        progress |= nir_opt_dce(nir);
>        nir_validate_shader(nir);
>        progress |= nir_opt_cse(nir);
> --
> 2.2.2
>
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