[PATCH] D150294: [X86] Invert transforming `(x * (Pow2_Ceil(C1) - (1 << C0))) & C1` -> `(-x << C0) & C1`

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 521908.
goldstein.w.n marked an inline comment as done.
goldstein.w.n added a comment.

Fix some nits


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150294/new/

https://reviews.llvm.org/D150294

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/undo-mul-and.ll

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