From dbd41e3ddd026c694dadd42fe33d683fb49b76fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Sch=C3=BCrmann?= <daniel@schuermann.dev>
Date: Tue, 11 Feb 2025 13:08:55 +0100
Subject: [PATCH] nir: set SYSTEM_VALUE_HELPER_INVOCATION read for
 nir_intrinsic_is_helper_invocation

is_helper_invocation is the volatile access of load_helper_invocation.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33492>
---
 src/compiler/nir/nir_gather_info.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c
index 38c31d0660d..25779505c50 100644
--- a/src/compiler/nir/nir_gather_info.c
+++ b/src/compiler/nir/nir_gather_info.c
@@ -723,6 +723,10 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader,
                  nir_system_value_from_intrinsic(instr->intrinsic));
       break;
 
+   case nir_intrinsic_is_helper_invocation:
+      BITSET_SET(shader->info.system_values_read, SYSTEM_VALUE_HELPER_INVOCATION);
+      break;
+
    case nir_intrinsic_load_barycentric_pixel:
       if (nir_intrinsic_interp_mode(instr) == INTERP_MODE_SMOOTH ||
           nir_intrinsic_interp_mode(instr) == INTERP_MODE_NONE) {