is_dataflow_object()

Author: shtaxxx

veriloggen/dataflow/dtypes.py

@@ -10,6 +10,13 @@
 # Object ID counter for object sorting key
 global_object_counter = 0
 
+#-------------------------------------------------------------------------------
+def is_dataflow_object(*objs):
+    for obj in objs:
+        if isinstance(obj, _Node):
+            return True
+    return False
+
 #-------------------------------------------------------------------------------
 def Constant(value, fixed=True, point=0):
     if isinstance(value, int):

veriloggen/dataflow/scheduler.py

@@ -54,6 +54,7 @@ def fill_gap(self, node, end_stage):
             r = node._get_delayed_value(i + 1)
             if r is not None:
                 prev = r
+                cur_end_stage += 1
                 continue
             r = dtypes._Delay(prev)
             r._set_start_stage(cur_end_stage)