From 924c8e7bcd62663c3a397e438ddfd232263704ff Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Fri, 13 Oct 2023 11:31:07 +0200
Subject: [PATCH] vtn: add hack for system values placed in CrossWorkgroup
 memory

Upstream bug: https://github.com/intel/llvm/issues/6703

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25701>
---
 src/compiler/spirv/vtn_variables.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 8ee77534036..0b6f69145e8 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -845,7 +845,9 @@ set_mode_system_value(struct vtn_builder *b, nir_variable_mode *mode)
 {
    vtn_assert(*mode == nir_var_system_value || *mode == nir_var_shader_in ||
               /* Hack for NV_mesh_shader due to lack of dedicated storage class. */
-              *mode == nir_var_mem_task_payload);
+              *mode == nir_var_mem_task_payload ||
+              /* Hack for DPCPP, see https://github.com/intel/llvm/issues/6703 */
+              *mode == nir_var_mem_global);
    *mode = nir_var_system_value;
 }