tweaks of cfd

juno_samples/rodinia/cfd/src/cpu_euler.sch

@@ -57,5 +57,10 @@ if !feature("seq") {
   copy_vars = copy_vars_body;
 }
 
+const-inline[false](*);
+simpl!(*);
+fork-split(compute_step_factor, compute_flux, time_step, copy_vars);
 unforkify(compute_step_factor, compute_flux, time_step, copy_vars);
+simpl!(*);
+
 gcm(*);