[PATCH] D48396: [MemorySSA] Add APIs to MemoryPhis to delete incoming blocks/values, and an updater API to remove blocks.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea created this revision.
asbirlea added a reviewer: george.burgess.iv.
Herald added subscribers: Prazek, jlebar, sanjoy.

MemoryPhis now have APIs analogous to BB Phis to remove an incoming value/block.
The MemorySSAUpdater uses the above APIs when updating MemorySSA given a set of dead blocks about to be deleted.


Repository:
  rL LLVM

https://reviews.llvm.org/D48396

Files:
  include/llvm/Analysis/MemorySSA.h
  include/llvm/Analysis/MemorySSAUpdater.h
  lib/Analysis/MemorySSAUpdater.cpp

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