Commit Graph

1 Commits

Author SHA1 Message Date
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