From 177427877bb50ad7ba24abfa13e55a2684d804df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Mon, 7 Apr 2025 14:17:05 -0400
Subject: [PATCH] radeonsi: use nir_opt_shrink_vectors
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It reduces VGPR usage, but the impact is almost none.

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34432>
---
 src/gallium/drivers/radeonsi/si_shader_nir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 710e4888f85..29743cc8c0f 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -114,6 +114,7 @@ void si_nir_opts(struct si_screen *sscreen, struct nir_shader *nir, bool has_arr
       }
 
       NIR_PASS(progress, nir, nir_opt_undef);
+      NIR_PASS(progress, nir, nir_opt_shrink_vectors, true);
 
       nir_opt_peephole_select_options peephole_discard_options = {
          .limit = 0,