[PATCH] D98422: [Alias] Add a ah-hoc pattern with two PHI for isKnownNonEqual

[JinGu Kang via Phabricator via llvm-commits]

jaykang10 updated this revision to Diff 331958.
jaykang10 added a comment.

Fixed a bug.

- During optimization, there are unreachable blocks with PHI and they have no predecessors. Do not handle it.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98422/new/

https://reviews.llvm.org/D98422

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Analysis/ValueTracking/non-equal-two-phis.ll

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