[PATCH] D133362: [InstCombine] Fold x + (x | -x) to x & (x - 1)

[Marc Auberer via Phabricator via llvm-commits]

marcauberer updated this revision to Diff 458266.
marcauberer added a comment.

Test all combinations and add negative tests


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133362/new/

https://reviews.llvm.org/D133362

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/test/Transforms/InstCombine/add_or_sub.ll

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