[PATCH] D142830: [ValueTracking] Improve non-zero tracking of `X` by also searching through `Use(X)` that imply non-zero

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 493135.
goldstein.w.n added a comment.

Updated tests, fixed some nits, rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142830/new/

https://reviews.llvm.org/D142830

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Analysis/ValueTracking/known-non-zero-through-dom-use.ll

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