[PATCH] D124369: [InstCombine] C0 >>{ashr, exact} (X - C1) --> (C0 << C1) >>{ashr} X

Nicolas Abram via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Apr 25 12:10:20 PDT 2022


nico-abram updated this revision to Diff 424993.
nico-abram edited the summary of this revision.
nico-abram added a comment.

Updating the diff with the condition change and more tests. Will see about avoiding the duplication and moving into `commonShiftTransforms`


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124369/new/

https://reviews.llvm.org/D124369

Files:
  llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
  llvm/test/Transforms/InstCombine/shift-add.ll

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