[llvm] 6351259 - [lit] fix a error when using --show-used-features

[Yuanfang Chen via llvm-commits]

Author: Yuanfang Chen
Date: 2022-10-19T10:57:01-07:00
New Revision: 63512592e97d0b452d9cd666dc09bd63e18b0828

URL: https://github.com/llvm/llvm-project/commit/63512592e97d0b452d9cd666dc09bd63e18b0828
DIFF: https://github.com/llvm/llvm-project/commit/63512592e97d0b452d9cd666dc09bd63e18b0828.diff

LOG: [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.

Added: 
    

Modified: 
    llvm/utils/lit/lit/main.py

Removed: 
    


################################################################################
diff  --git a/llvm/utils/lit/lit/main.py b/llvm/utils/lit/lit/main.py
index 27bcef1b1d464..dc90321ddfc9f 100755
--- a/llvm/utils/lit/lit/main.py
+++ b/llvm/utils/lit/lit/main.py
@@ -53,7 +53,7 @@ def main(builtin_params={}):
         sys.exit(0)
 
     if opts.show_used_features:
-        features = set(itertools.chain.from_iterable(t.getUsedFeatures() for t in discovered_tests))
+        features = set(itertools.chain.from_iterable(t.getUsedFeatures() for t in discovered_tests if t.gtest_json_file is None))
         print(' '.join(sorted(features)))
         sys.exit(0)