lit: Add --repeat=N option, for running each test N times.

 - Currently just useful for timing, although it could be extended as one (bad) way to deal with flaky tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88827 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/utils/lit/Test.py b/utils/lit/Test.py
index d3f627456f..1f6556ba85 100644
--- a/utils/lit/Test.py
+++ b/utils/lit/Test.py
@@ -54,6 +54,14 @@ class Test:
         self.output = None
         # The wall time to execute this test, if timing and once complete.
         self.elapsed = None
+        # The repeat index of this test, or None.
+        self.index = None
+
+    def copyWithIndex(self, index):
+        import copy
+        res = copy.copy(self)
+        res.index = index
+        return res
 
     def setResult(self, result, output, elapsed):
         assert self.result is None, "Test result already set!"