[PATCH] D18336: Prevent cycle in DAG store merge to vector

[Nirav Dave via llvm-commits]

niravd commandeered this revision.
niravd edited reviewers, added: yinma; removed: niravd.
niravd added a comment.

This is incomplete. It's missing the case for UseAA merges (which is also needed to resolve the underlying bug 18321/14834). I have a patch that captures this, though I haven't gotten a test which will exercises the useAA case.

Comandeering to upload patch.


http://reviews.llvm.org/D18336