Cleanup (loop invariant optimization; formatting)

src/org/jetbrains/java/decompiler/modules/decompiler/LabelHelper.java

@@ -433,13 +433,11 @@ public class LabelHelper {
         setContinue.addAll(arr[1]);
       }
 
-      boolean shieldtype = (stat.type == Statement.TYPE_DO || stat.type == Statement.TYPE_SWITCH);
-
+      boolean shieldType = (stat.type == Statement.TYPE_DO || stat.type == Statement.TYPE_SWITCH);
+      if (shieldType) {
         for (StatEdge edge : stat.getLabelEdges()) {
-        if (edge.explicit) {
-          if (shieldtype
-              && ((edge.getType() == StatEdge.TYPE_BREAK && setBreak.contains(edge.getSource())) || (edge.getType() == StatEdge.TYPE_CONTINUE && setContinue.contains(edge
-                  .getSource())))) {
+          if (edge.explicit && ((edge.getType() == StatEdge.TYPE_BREAK && setBreak.contains(edge.getSource())) ||
+                                (edge.getType() == StatEdge.TYPE_CONTINUE && setContinue.contains(edge.getSource())))) {
             edge.labeled = false;
           }
         }