aco: Don't store TCS outputs to LDS when we're sure that none are read.

This allows us not to write an output to LDS, even if it has
an indirect offset.

No pipeline DB changes.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3964>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3964>
1 file changed