From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Thu, 6 Apr 2023 19:31:43 +0000 (-0400)
Subject: nir/opt_ray_queries: Don't use list_length
X-Git-Tag: upstream/23.3.3~10267
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7356f3eee7b17c3f9c15a5387a28d192e97b9e1f;p=platform%2Fupstream%2Fmesa.git

nir/opt_ray_queries: Don't use list_length

Expensive.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22343>
---

diff --git a/src/compiler/nir/nir_opt_ray_queries.c b/src/compiler/nir/nir_opt_ray_queries.c
index c55ade9..6caf9ea 100644
--- a/src/compiler/nir/nir_opt_ray_queries.c
+++ b/src/compiler/nir/nir_opt_ray_queries.c
@@ -77,7 +77,7 @@ nir_find_ray_queries_read(struct set *queries,
             nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
             switch (intrin->intrinsic) {
             case nir_intrinsic_rq_proceed:
-               if (list_length(&intrin->dest.ssa.uses) > 0)
+               if (!list_is_empty(&intrin->dest.ssa.uses))
                   mark_query_read(queries, intrin);
                break;
             case nir_intrinsic_rq_load: