472a20c5fc
In283ad85944, radeonsi started using nir_find_var_copies. However, it was also calling nir_lower_var_copies in the optimization loop and the two can end up fighting. The simple solution is to wait to lower copies until the end of the optimization loop. Fixes:283ad85944Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3550 Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6841>