|  Jakob Stoklund Olesen | 8d1aaf21cf | Rewrite the physreg part of findLastUseBefore(). To find the last use of a register unit, start from the bottom and scan
upwards until a user is found.
<rdar://problem/13353090>
llvm-svn: 176706 | 2013-03-08 18:08:57 +00:00 |