[Mlir-commits] [mlir] [mlir][tblgen] Adds support for embedded LIT tests in TableGen records (PR #158017)

[Mehdi Amini]

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joker-eph wrote:

```suggestion
      if (!matches[1].empty())
        tool = matches[1].ltrim('(').rtrim(')').str();
```

Nit: no trivial braces in MLIR (here and everywhere else)

https://github.com/llvm/llvm-project/pull/158017