[PATCH] D130103: [InstCombine] Add mul with negated power of 2 constant to canEvaluateShifted.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 446200.
craig.topper added a comment.

-Add assert for !isLeftShift. Checking the constant would require calling match with m_APInt that we don't otherwise need.
-Add negative test with additional use of mul.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130103/new/

https://reviews.llvm.org/D130103

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

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