[all-commits] [llvm/llvm-project] 338fd8: [SimplifyCFG] Transform switch to select when comm...

[Gábor Spaits via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 338fd8b12ce67eff73ed0a5c2174bee077fcbcbe
      https://github.com/llvm/llvm-project/commit/338fd8b12ce67eff73ed0a5c2174bee077fcbcbe
  Author: Gábor Spaits <gaborspaits1 at gmail.com>
  Date:   2025-07-02 (Wed, 02 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/switch-to-select-two-case.ll

  Log Message:
  -----------
  [SimplifyCFG] Transform switch to select when common bits uniquely identify one case (#145233)

Fix #141753 .

This patch introduces a new check, that tries to decide if the
conjunction of all the values uniquely identify the accepted values by
the switch.



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