Jakob Stoklund Olesen 178f5ce549 Add a LiveRangeQuery class.
This class is meant to be the primary interface for examining a live
range in the vicinity on a given instruction. It avoids all the messy
dealings with iterators and early clobbers.

This is a more abstract interface to live ranges, hiding the
implementation as a vector of segments.

llvm-svn: 157141
2012-05-20 02:44:30 +00:00
..
2012-05-20 02:44:30 +00:00