Matthias Braun 9a43e3d47f 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
2015-01-21 22:55:13 +00:00
..
2015-01-05 21:29:41 +00:00
2014-10-21 23:01:01 +00:00