iris: remove invalid nir_metadata_preserve from iris_fix_edge_flags

nir_metadata_preserve(NULL, ...) doesn't make any sense.

Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12282>

diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index e04daf8..09af8b0 100644 (file)
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -386,8 +386,6 @@ iris_fix_edge_flags(nir_shader *nir)
                                         nir_metadata_dominance |
                                         nir_metadata_live_ssa_defs |
                                         nir_metadata_loop_analysis);
-      } else {
-         nir_metadata_preserve(f->impl, nir_metadata_all);
       }
    }