- /*
- * If the current node is a barrier toggle the silent flag.
- * If we are in the start block, we are ought to be silent at the beginning,
- * so the toggling activates the constraint handling but skips the barrier.
- * If we are in the end block we handle the in requirements of the barrier
- * and set the rest to silent.
- */
- if (be_is_Barrier(irn))
- *silent = !*silent;
-
- if (be_silent)
- goto end;
-