[llvm] [llvm][lit] Add option to run only the failed tests (PR #158043)

[James Henderson via llvm-commits]

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@@ -0,0 +1,20 @@
+# Checks that --filter-failed won't re-run tests that have passed
+# since the last time --filter-failed has run.
+
+# RUN: not %{lit} %{inputs}/filter-failed-rerun | FileCheck %s --check-prefix=CHECK-FIRST
+#
+# RUN: mv %{inputs}/filter-failed-rerun/fail.txt %{inputs}/filter-failed-rerun/fail.txt.bk
+# RUN: cp %{inputs}/filter-failed-rerun/pass.txt %{inputs}/filter-failed-rerun/fail.txt
+# RUN: not %{lit} %{inputs}/filter-failed-rerun > %s.rerun-1.log
+# RUN: not %{lit} --filter-failed %{inputs}/filter-failed-rerun > %s.rerun-2.log
+# RUN: mv %{inputs}/filter-failed-rerun/fail.txt.bk %{inputs}/filter-failed-rerun/fail.txt
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jh7370 wrote:

Same comments in this file as the other test.

https://github.com/llvm/llvm-project/pull/158043