Commits
Michael Gottesman committed 80f8b1a4ea8
[g-arc-opts] Extract out the dataflow from GlobalARCPairingAnalysis => GlobalARCSequenceDataflow. Add in the code to implement the bottom up dataflow, but don't wire it up. Pass in the refactored top down dataflow to the old pairing pass so we still give correct results. The next step is to change the pairing analysis to use both the bottom up and top down dataflow passes. rdar://16965332 Swift SVN r18551