[llvm] Reapply "[llvm][lit] Add option to run only the failed tests" (PR #171588)

[Michael Buch via llvm-commits]

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@@ -22,7 +22,7 @@ def record_test_times(tests, lit_config):
             continue
         if not t.suite.exec_root in times_by_suite:
             times_by_suite[t.suite.exec_root] = read_test_times(t.suite)
-        time = -t.result.elapsed if t.isFailure() else t.result.elapsed
+        time = min(-t.result.elapsed, -1.0e-6) if t.isFailure() else t.result.elapsed
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Michael137 wrote:

Agreed

https://github.com/llvm/llvm-project/pull/171588