Chandler Carruth 32c52c7e04 [PM] Sink the specific analyses preserved by SplitBlock into its ...

interface, removing Pass from its interface.

This also makes those analyses optional so that passes which don't even
preserve these (or use them) can skip the logic entirely.

llvm-svn: 226394

2015-01-18 02:39:37 +00:00

5.2 KiB

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