[all-commits] [llvm/llvm-project] 1f84e7: [InstCombine] Fold (X << Z) / (X * Y) -> (1 << Z) / Y

[ZCBing via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1f84e72b7ba0a563e4abf2320997887bf8ae3f7c
      https://github.com/llvm/llvm-project/commit/1f84e72b7ba0a563e4abf2320997887bf8ae3f7c
  Author: Chenbing Zheng <Chenbing.Zheng at streamcomputing.com>
  Date:   2022-12-29 (Thu, 29 Dec 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
    M llvm/test/Transforms/InstCombine/div-shift.ll

  Log Message:
  -----------
  [InstCombine] Fold (X << Z) / (X * Y) -> (1 << Z) / Y

Alive2: https://alive2.llvm.org/ce/z/CBJLeP