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