Chris Lattner 9c1ca33ac3 add new isSingleStringRef()/getSingleStringRef() methods to twine,
and use them to avoid a copy of a string in getNameWithPrefix in
the common case.  It seems like Value::setName and other places 
should use this as well?

llvm-svn: 93301
2010-01-13 07:12:06 +00:00
..
2010-01-12 19:40:54 +00:00
2010-01-04 07:16:12 +00:00
2010-01-11 07:45:19 +00:00