51 Commits

Author	SHA1	Message	Date
David Greene	02f6e9b621	Factor live variable analysis so it does not do register coalescing ... simultaneously. Move that pass to SimpleRegisterCoalescing. This makes it easier to implement alternative register allocation and coalescing strategies while maintaining reuse of the existing live interval analysis. llvm-svn: 37520	2007-06-08 17:18:56 +00:00