removes the muitiple instantiated hierarchy in the current design by creating a unique design for each cell instance.
uniquify
[-force]
[-base_name base_name]
[-cell cell_list]
[-reference design_name]
[-new_name new_design_name]
[-dont_skip_empty_designs]
下面的例子强制current_design 的所有hierarchy design 去rename 使用uniquify_naming_style 变量
set uniquify_naming_style "joe_%s_%d"
uniquify -force