Matthias Braun 7b54b4de26 LiveIntervalUnion: Allow specification of liverange when unifying/extracting.
This allows it to add subregister ranges into the union.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223890 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-10 01:12:59 +00:00
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