To show one input to all outputs, you must add the set to the Paths tab. You can then view delay details and set constraints.
To show one input to all outputs:
In the Paths tab, choose Add Set of Paths from the Edit menu. The Add Path Set dialog box appears.
Select the Inputs
and Outputs radio buttons.
Make sure the directional arrow is pointing to the right, from Inputs to Outputs.
Click the arrow to change its direction.
Select the desired input starting point in the From list box.
Click the Select All button to select all outputs.
Click OK. The set showing one input to all outputs is added to the Paths tab.