Matthias Braun bbb528f189 LiveIntervalAnalysis: Remove LiveVariables requirement ...

This requirement was a huge hack to keep LiveVariables alive because it
was optionally used by TwoAddressInstructionPass and PHIElimination.
However we have AnalysisUsage::addUsedIfAvailable() which we can use in
those passes.

llvm-svn: 260806

2016-02-13 04:35:31 +00:00

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