[all-commits] [llvm/llvm-project] 635125: [lit] fix a error when using --show-used-features

[Yuanfang Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 63512592e97d0b452d9cd666dc09bd63e18b0828
      https://github.com/llvm/llvm-project/commit/63512592e97d0b452d9cd666dc09bd63e18b0828
  Author: Yuanfang Chen <yuanfang.chen at sony.com>
  Date:   2022-10-19 (Wed, 19 Oct 2022)

  Changed paths:
    M llvm/utils/lit/lit/main.py

  Log Message:
  -----------
  [lit] fix a error when using --show-used-features

The error is
```
NotADirectoryError: [Errno 20] Not a directory: '<build-dir>/unittests/Analysis/./AnalysisTests/0/40'
```

Exclude unittests when collecting features because
unittests don't make use of feature keywords.