From f6ee36a43731a074b643c6685142484a02a4ab67 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Date: Mon, 21 Apr 2025 12:20:19 -0400
Subject: [PATCH] agx: add agx_is_shader_empty helper

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34638>
---
 src/asahi/compiler/agx_compile.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/asahi/compiler/agx_compile.h b/src/asahi/compiler/agx_compile.h
index 92857285c67..97503d3bac9 100644
--- a/src/asahi/compiler/agx_compile.h
+++ b/src/asahi/compiler/agx_compile.h
@@ -198,6 +198,15 @@ struct agx_shader_part {
    void *binary;
 };
 
+static inline bool
+agx_is_shader_empty(struct agx_shader_part *s)
+{
+   /* Last instruction is a stop, so if there's one instruction, there is
+    * nothing but a stop. The shader is thus empty.
+    */
+   return (s->info.stats.instrs == 1);
+}
+
 #define AGX_MAX_RTS (8)
 
 enum agx_format {