[PATCH] D29149: NewGVN: Add basic dead store elimination

[Daniel Berlin via Phabricator via llvm-commits]

dberlin added a comment.

Sorry, most of the issues here are because arc picked up the rebase, and isn't showing the fix for 31761 as the base.
(the fix is what contains the #if blocks, etc)


https://reviews.llvm.org/D29149