Your distinction between being inadmissible and the bar makes no sense at all.
http://www.uscis.gov/USCIS/Laws/Memoranda/Static_Files_Memoranda/2009/revision_redesign_AFM.PDF
Page 19, paragraph C.
http://www.uscis.gov/USCIS/Laws/Memoranda/Static_Files_Memoranda/2009/revision_redesign_AFM.PDF
Page 19, paragraph C.