[all-commits] [llvm/llvm-project] 9a9fbb: [InstructionSimplify] Enhance simplifySelectInst()...

[Congzhe via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a9fbbba5c81efed72c08a70bbe58427190d69db
      https://github.com/llvm/llvm-project/commit/9a9fbbba5c81efed72c08a70bbe58427190d69db
  Author: Congzhe <congzhe.cao at huawei.com>
  Date:   2025-10-21 (Tue, 21 Oct 2025)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    A llvm/test/Transforms/InstCombine/select_with_identical_phi.ll

  Log Message:
  -----------
  [InstructionSimplify] Enhance simplifySelectInst() (#163453)

Fold select instructions with true and false values that act as the same 
phi, which cleans up the IR and open up opportunities for other passes 
such as loop vectorization.



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