[PATCH] D42032: [LLVM][PASSES][InstCombine] Fix (a + a + ...) / a cases

Anton Bikineev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 18 17:49:39 PST 2018


AntonBikineev updated this revision to Diff 130529.
AntonBikineev added a comment.

> Is it better to just add that to instcombine and forego adding the special-case with constant shift amount to instsimplify?

Yes, I think so. Thanks for indicating this.


https://reviews.llvm.org/D42032

Files:
  lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  test/Transforms/InstCombine/div-shift.ll

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