[PATCH] D44715: [MemorySSA] Fix exponential compile-time updating MemorySSA.

[Eli Friedman via Phabricator via llvm-commits]

efriedma updated this revision to Diff 139654.
efriedma added a comment.

Update the MemoryAccess cache for blocks with multiple predecessors.


Repository:
  rL LLVM

https://reviews.llvm.org/D44715

Files:
  include/llvm/Analysis/MemorySSAUpdater.h
  lib/Analysis/MemorySSAUpdater.cpp
  test/Transforms/GVNHoist/hoist-simplify-phi.ll

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