[PATCH] D48372: [MemorySSAUpdater] Remove deleted trivial Phis from active workset

[Alexandros Lamprineas via Phabricator via llvm-commits]

labrinea updated this revision to Diff 154838.
labrinea added a comment.

Changes to the prior revision:

- I've used std::set for InsertedPHIs to avoid linear cost lookups upon deletion.
- I've refactored insertDef() so that it no longer relies on insertion order iteration over InsertedPHIs.


https://reviews.llvm.org/D48372

Files:
  include/llvm/Analysis/MemorySSAUpdater.h
  lib/Analysis/MemorySSAUpdater.cpp
  test/Transforms/GVNHoist/pr37808.ll

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