From f0c4e71d58ac7257bffd3839d86d9a4173afddd0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Sun, 1 Dec 2024 03:01:36 -0500
Subject: [PATCH] nir/opt_varyings: fix getting deref variables for sysvals

This might fix array system values. Noticed by luck.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32424>
---
 src/compiler/nir/nir_opt_varyings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_opt_varyings.c b/src/compiler/nir/nir_opt_varyings.c
index 608eccef5c6..4d069f50885 100644
--- a/src/compiler/nir/nir_opt_varyings.c
+++ b/src/compiler/nir/nir_opt_varyings.c
@@ -1053,7 +1053,7 @@ is_sysval(nir_instr *instr, gl_system_value sysval)
             nir_instr_as_deref(intr->src[0].ssa->parent_instr);
 
           return nir_deref_mode_is_one_of(deref, nir_var_system_value) &&
-                 deref->var->data.location == sysval;
+                 nir_deref_instr_get_variable(deref)->data.location == sysval;
       }
    }