Add missing checks

Author: clementval

flang/test/Lower/CUDA/cuda-device-proc.cuf

@@ -170,6 +170,10 @@ end
 ! CHECK: %{{.*}} = fir.call @__nv_ull2double_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
 ! CHECK: %{{.*}} = fir.call @__nv_float2half_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f16
 ! CHECK: %{{.*}} = fir.call @__nv_half2float(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f16) -> f32
+! CHECK: %{{.*}} = fir.call @__nv_ll2double_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
+! CHECK: %{{.*}} = fir.call @__nv_ll2double_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
+! CHECK: %{{.*}} = fir.call @__nv_ll2double_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
+! CHECK: %{{.*}} = fir.call @__nv_ll2double_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
 
 subroutine host1()
   integer, device :: a(32)