Duncan Sands df9829409c Add test for improvement of readonly to readnone,
and non-demotion of readnone to readonly.

llvm-svn: 56344
2008-09-19 09:20:05 +00:00
..
2008-06-16 04:25:39 +00:00
2007-04-21 20:46:55 +00:00
2008-07-28 18:41:03 +00:00