This keeps the directory structure a bit more organized: - brw specific code - elk specific code - common NIR passes that could be used in both places It also means that you can now 'git grep' in the brw directory without finding a bunch of elk code, or having to "grep thing b*". Reviewed-by: Dylan Baker <dylan.c.baker@intel.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37755>