From 7356f3eee7b17c3f9c15a5387a28d192e97b9e1f Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Thu, 6 Apr 2023 15:31:43 -0400
Subject: [PATCH] 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>
---
 src/compiler/nir/nir_opt_ray_queries.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_opt_ray_queries.c b/src/compiler/nir/nir_opt_ray_queries.c
index c55ade9ac4a..6caf9eaa7b5 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: