52 Commits

Author	SHA1	Message	Date
Dan Gohman	f3d647e00b	Don't consider instructions with implicit physical register ... defs to be necessarily live. llvm-svn: 56310	2008-09-18 18:22:32 +00:00
Dan Gohman	c24cd015a7	Add a new MachineInstr-level DCE pass. It is very simple, and is intended to ... be used with fast-isel. llvm-svn: 56268	2008-09-17 00:43:24 +00:00