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-rw-r--r--src/mesa/drivers/dri/i965/brw_nir.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
index 8c6d28a..247b223 100644
--- a/src/mesa/drivers/dri/i965/brw_nir.c
+++ b/src/mesa/drivers/dri/i965/brw_nir.c
@@ -63,6 +63,8 @@ nir_optimize(nir_shader *nir, bool is_scalar)
nir_validate_shader(nir);
progress |= nir_opt_remove_phis(nir);
nir_validate_shader(nir);
+ progress |= nir_opt_undef(nir);
+ nir_validate_shader(nir);
} while (progress);
}