# Read liberty and design, make graph, verify read_liberty ../../test/nangate45/Nangate45_typ.lib read_verilog graph_test1.v link_design graph_test1 # Creating the timing graph implicitly tests graph construction create_clock -name clk -period 10 [get_ports clk] # report_checks exercises the graph report_checks -from [get_ports d] -to [get_ports q]