[llvm] [NFC][MachineLoopInfo] Consider loads in `isLoopInvariant`. (PR #95632)

[Florian Hahn via llvm-commits]

fhahn wrote:

Thanks for adding the test. It looks like a  number of tests are failing in the precommit bots and at least some look related to the patch?

For the new test, it would be good to add it in a separate commit and then have the functional change only have the difference caused by the patch

https://github.com/llvm/llvm-project/pull/95632