[NFC][LLVM-Tests] Specialize test suite for LLVM unit tests #161442
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LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/16894 Here is the relevant piece of the build log for the reference |
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I wonder this would suppress |
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It should not, so not intentional. I think these tests should still be a part of check-all atleast and check-llvm as well. Let me test a little bit to confirm tomorrow |
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IIRC check-llvm and check-all are their own standalone targets independent of the check-llvm-* targets, but will check |
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Here's the command generated for check-llvm: So, this will run everything under llvm/test, including the unit tests. Locally I do see several |
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But for additional verification I created this PR with a broken unit test, expecting that it will fail the checks: #161623 |
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Could you try again with cleaning unittests? |
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It does not. And isn't that expected? It's no longer a part of |
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I expect e.g. https://lab.llvm.org/buildbot/#/builders/199/builds/6235/steps/12/logs/stdio |
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I see, so I think we need to add UnitTest as a explicit dependency for both |
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Ok. in the latest test PR version, I do see that the 2 faulty unit tests do fail: |
s-barannikov
reviewed
Oct 2, 2025
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| add_lit_testsuite(check-llvm-unit "Running lit suite for LLVM unit tests" | |||
| ${CMAKE_CURRENT_BINARY_DIR} | |||
| EXCLUDE_FROM_CHECK_ALL | |||
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Why is it unconditional EXCLUDE_FROM_CHECK_ALL? It looks conditional on the left.
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See similar PR for the earlier specialized suites: #159781
Without EXCLUDE_FROM_CHECK_ALL, these tests run twice, which is wasteful and sometimes leading to failure due to concurrent execution (which will likely not affect these unit tests).
jurahul
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… (#161623) Add `UnitTests` as an explicit dependency for `check-llvm` and `llvm-test-depends`. In #161442, the intent was to remove `UnitTests` as a dependency for the individual per-directory `check-llvm-*` test suites created but not to drop it from `check-llvm` or `llvm-test-depends`. This missing dependency will cause LLVM unit tests to be not rebuilt and resulting in either `warning: test suite 'LLVM-Unit' contained no tests` or running stale running versions of the unit tests when running `check-llvm`.
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…ed by 0e14973 (#161623) Add `UnitTests` as an explicit dependency for `check-llvm` and `llvm-test-depends`. In llvm/llvm-project#161442, the intent was to remove `UnitTests` as a dependency for the individual per-directory `check-llvm-*` test suites created but not to drop it from `check-llvm` or `llvm-test-depends`. This missing dependency will cause LLVM unit tests to be not rebuilt and resulting in either `warning: test suite 'LLVM-Unit' contained no tests` or running stale running versions of the unit tests when running `check-llvm`.
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Remove
UnitTestsfrom LLVM_TEST_DEPENDS_COMMON and create a specialized lit suite for unit-tests and that depends only onUnitTests.