[PATCH] D47149: [SCCP] Mark DominatorTreeAnalysis as preserved.

[Eli Friedman via Phabricator via llvm-commits]

efriedma requested changes to this revision.
efriedma added a comment.
This revision now requires changes to proceed.

Err, actually, thinking about it a big more, can you use setPreservesCFG() instead, if we're not modifying the CFG at all?


https://reviews.llvm.org/D47149