clover/nir: Call nir_lower_convert_alu_types

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6945>
diff --git a/src/gallium/frontends/clover/nir/invocation.cpp b/src/gallium/frontends/clover/nir/invocation.cpp
index 1016557..d493201 100644
--- a/src/gallium/frontends/clover/nir/invocation.cpp
+++ b/src/gallium/frontends/clover/nir/invocation.cpp
@@ -299,6 +299,8 @@
       NIR_PASS_V(nir, nir_lower_vars_to_ssa);
       NIR_PASS_V(nir, nir_opt_dce);
 
+      NIR_PASS_V(nir, nir_lower_convert_alu_types, NULL);
+
       NIR_PASS_V(nir, nir_lower_system_values);
       nir_lower_compute_system_values_options sysval_options = { 0 };
       sysval_options.has_base_global_invocation_id = true;