[PATCH] D146347: [InstCombine] Improve transforms for `(mul X, Y)` -> `(shl X, log2(Y)`

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 506321.
goldstein.w.n added a comment.

Rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146347/new/

https://reviews.llvm.org/D146347

Files:
  llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  llvm/test/Transforms/InstCombine/mul-pow2.ll

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