Tags

Tags give the ability to mark specific points in history as being important

This commit was manufactured by cvs2svn to create tag 'RELEASE_12'.

llvm-svn: 12514

This commit was manufactured by cvs2svn to create tag 'RELEASE_11'.

llvm-svn: 10499

This commit was manufactured by cvs2svn to create tag 'RELEASE_1'.

llvm-svn: 9499