[all-commits] [llvm/llvm-project] 7981c2: [X86] Allow using the lzcnt intrinsics for non-LZC...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7981c2997c370c6f1b2c9de3d6364e9121136f20
      https://github.com/llvm/llvm-project/commit/7981c2997c370c6f1b2c9de3d6364e9121136f20
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2025-02-22 (Sat, 22 Feb 2025)

  Changed paths:
    M clang/include/clang/Basic/BuiltinsX86.td
    M clang/include/clang/Basic/BuiltinsX86_64.td
    M clang/lib/Headers/lzcntintrin.h
    M clang/test/CodeGen/X86/lzcnt-builtins.c

  Log Message:
  -----------
  [X86] Allow using the lzcnt intrinsics for non-LZCNT targets (#128284)

Similar to D14748, we can relax lzcnt intrinsics too, especially with
improved BSR lowering by #123623



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