[all-commits] [llvm/llvm-project] 295d6b: [InstCombine] Fold `(X * (Y << K)) u>> K -> X * Y`...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 295d6b18f77fc67c186c031204a82ff82cf59daa
      https://github.com/llvm/llvm-project/commit/295d6b18f77fc67c186c031204a82ff82cf59daa
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-12-03 (Tue, 03 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
    M llvm/test/Transforms/InstCombine/lshr.ll

  Log Message:
  -----------
  [InstCombine] Fold `(X * (Y << K)) u>> K -> X * Y` when highbits are not demanded (#111151)

Alive2: https://alive2.llvm.org/ce/z/Z7QgjH



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