| commit | 9a43e3d47f70bd90ef08f0abbafa1335dfbf80ce | [log] [tgz] |
|---|---|---|
| author | Matthias Braun <matze@braunis.de> | Wed Jan 21 22:55:13 2015 +0000 |
| committer | Matthias Braun <matze@braunis.de> | Wed Jan 21 22:55:13 2015 +0000 |
| tree | d1d8a1534994286721d2f7727cd8cdc5a6466424 | |
| parent | f04568139a38541215f52752732fa673be9fb4a4 [diff] |
LiveIntervalAnalysis: Mark subregister defs as undef when we determined they are only reading a dead superregister value This was not necessary before as this case can only be detected when the liveness analysis is at subregister level. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226733 91177308-0d34-0410-b5e6-96231b3b80d8