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Commit d7df935b authored by Matthias Braun's avatar Matthias Braun
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Refactor LiveInterval: introduce new LiveRange class 

LiveRange just manages a list of segments and a list of value numbers
now as LiveInterval did previously, but without having details like spill
weight or a fixed register number.
LiveInterval is now a subclass of LiveRange and simply adds the spill weight
and the register number.

llvm-svn: 192393
parent 13ddb7cd
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