[PATCH] D15330: Fix cycle in selection DAG introduced by extractelement legalization

[Robert Lougher via llvm-commits]

rob.lougher added a comment.

Thanks for the review!  Yes, I can use hasPredecessorHelper, which should make it less expensive when there is more than one store to check.  I'll post an updated patch...


http://reviews.llvm.org/D15330