panvk: Split var copies before lowering them

Otherwise we hit an assert() in the nir_lower_var_copies() path.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13077>

diff --git a/src/panfrost/vulkan/panvk_vX_shader.c b/src/panfrost/vulkan/panvk_vX_shader.c
index 13c76b9..0672ab0 100644 (file)
--- a/src/panfrost/vulkan/panvk_vX_shader.c
+++ b/src/panfrost/vulkan/panvk_vX_shader.c
@@ -350,6 +350,7 @@ panvk_per_arch(shader_create)(struct panvk_device *dev,
    NIR_PASS_V(nir, nir_lower_system_values);
    NIR_PASS_V(nir, nir_lower_compute_system_values, NULL);
 
+   NIR_PASS_V(nir, nir_split_var_copies);
    NIR_PASS_V(nir, nir_lower_var_copies);
 
    struct panvk_lower_misc_ctx ctx = {