From de5aedfad9556b2140bd1aff4b1746669f548592 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Date: Thu, 21 May 2026 10:13:23 -0400
Subject: [PATCH] jay: fix FS reading too many sysvals

caught in
dEQP-GLES31.functional.texture.texture_buffer.modify.bufferdata.offset_1_alignments
simd32

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41808>
---
 src/intel/compiler/jay/jay_nir.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/intel/compiler/jay/jay_nir.c b/src/intel/compiler/jay/jay_nir.c
index e271630f568..d84a66877cc 100644
--- a/src/intel/compiler/jay/jay_nir.c
+++ b/src/intel/compiler/jay/jay_nir.c
@@ -350,6 +350,12 @@ jay_process_nir(const struct intel_device_info *devinfo,
          NIR_PASS(_, nir, brw_nir_lower_alpha_to_coverage);
       }
 
+      /* We want to run the standard opt loop after lowering but before
+       * gathering prog data, so we have accurate information about which system
+       * values are actually used (vs DCE'd away).
+       */
+      brw_nir_optimize(pt);
+
       // TODO
       // NIR_PASS(_, nir, brw_nir_move_interpolation_to_top);