Move changeMoveType() to be after acc substitution as the former may impact the latter's effectiveness (float is better than int for acc substitution).

Change-Id: I8351bd39b95b52caa669b0c341423438e00abc50

Author: weiyu-chen

visa/Optimizer.cpp

@@ -1132,12 +1132,12 @@ int Optimizer::optimization()
     //
     runPass(PI_chkRegBoundary);
 
-    runPass(PI_changeMoveType);
-
     runPass(PI_localSchedule);
 
     runPass(PI_accSubPostSchedule);
 
+    runPass(PI_changeMoveType);
+
     // NoDD optimization
     runPass(PI_NoDD);