[llvm] [NFC][AMDGPU] Update and.ll test and automate check line generation (PR #145371)

[Chris Jackson via llvm-commits]

chrisjbris wrote:

There was a failure with the linux build & test, that seems unrelated to the test update, and the windows build & test passed, so I've just re-run the job for now and I'll investigate properly if the job fails again:
```
2025-06-23T18:01:12.7776334Z FAILED: tools/lldb/test/CMakeFiles/check-lldb /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/lldb/test/CMakeFiles/check-lldb 
2025-06-23T18:01:12.7778577Z cd /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/lldb/test && /usr/bin/python3 /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-lit -v --xunit-xml-output /home/gha/actions-runner/_work/llvm-project/llvm-project/build/test-results.xml --use-unique-output-file-name --timeout=1200 --time-tests /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/lldb/test
2025-06-23T18:01:12.7780183Z ninja: build stopped: cannot make progress due to previous errors.
```

https://github.com/llvm/llvm-project/pull/145371