[llvm] [lit] Migrate lit to ProcessPoolExecutor (PR #202681)

[via llvm-commits]

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@@ -47,9 +47,7 @@ def main(builtin_params={}):
         maxIndividualTestTime=opts.maxIndividualTestTime,
     )
 
-    discovered_tests = lit.discovery.find_tests_for_inputs(
-        lit_config, opts.test_paths
-    )
+    discovered_tests = lit.discovery.find_tests_for_inputs(lit_config, opts.test_paths)
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prasoon054 wrote:

I believe this is because I've been running `black` on the whole file instead of limiting formatting to the modified lines. From now, I'll make sure to avoid pulling unrelated formatting changes.

https://github.com/llvm/llvm-project/pull/202681