[all-commits] [llvm/llvm-project] 4986a7: [TableGen] Emit `llvm::is_contained` for `CheckOpc...

[Pengcheng Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4986a7964858979d00f0c9a98d13db555d8a6f0d
      https://github.com/llvm/llvm-project/commit/4986a7964858979d00f0c9a98d13db555d8a6f0d
  Author: Pengcheng Wang <wangpengcheng.pp at bytedance.com>
  Date:   2025-04-03 (Thu, 03 Apr 2025)

  Changed paths:
    M llvm/test/TableGen/MacroFusion.td
    M llvm/utils/TableGen/Common/PredicateExpander.cpp

  Log Message:
  -----------
  [TableGen] Emit `llvm::is_contained` for `CheckOpcode` predicate (#134057)

When the list is large, using `llvm::is_contained` is of higher
performance than a sequence of comparisons. When the list is small,
the `llvm::is_contained` can be inlined and unrolled, which has the
same effect as using a sequence of comparisons.

And the generated code is more readable.



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