[all-commits] [llvm/llvm-project] 346999: [SelectOpt] Optimise big select groups in the latc...

[Igor Kirillov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3469996d0d057d99a33ec34ee3c80e5d4fa3afcb
      https://github.com/llvm/llvm-project/commit/3469996d0d057d99a33ec34ee3c80e5d4fa3afcb
  Author: Igor Kirillov <igor.kirillov at arm.com>
  Date:   2024-12-25 (Wed, 25 Dec 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectOptimize.cpp
    M llvm/test/CodeGen/AArch64/selectopt.ll

  Log Message:
  -----------
  [SelectOpt] Optimise big select groups in the latch of a non-inner loop to branches (#119728)

Loop latches often have a loop-carried dependency, and if they have
several SelectLike instructions in one select group, it is usually
profitable to convert it to branches rather than keep selects.



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