[llvm] [CI] monolithic-linux improvements (PR #135499)

[Aiden Grossman via llvm-commits]

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@@ -52,6 +52,8 @@
     "clang": {"clang-tools-extra", "compiler-rt", "cross-project-tests"},
     "clang-tools-extra": {"libc"},
     "mlir": {"flang"},
+    # Test everyything if ci scripts are changed.
+    ".ci": {"llvm", "clang", "lld", "lldb"},
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boomanaiden154 wrote:

This doesn't seem to test everything? Additional projects should get added on later due to dependency propagation, but I think this is a bit confusing in its current form. I would prefer to have everything explicitly enumerated, but a comment would also probably be fine.

https://github.com/llvm/llvm-project/pull/135499