[PATCH] D66383: [InstCombine] Shift amount reassociation in bittest: trunc-of-lshr (PR42399)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 217667.
lebedev.ri marked 12 inline comments as done.
lebedev.ri added a comment.

Rebased, addressed review notes, pessimized vectors even more.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66383/new/

https://reviews.llvm.org/D66383

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest-with-truncation-lshr.ll
  llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest-with-truncation-shl.ll

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