[llvm] [CodeGen] Correctly handle non-standard cases in RemoveLoadsIntoFakeUses (PR #111551)

[Jeremy Morse via llvm-commits]

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@@ -1,7 +1,8 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
 # Ensure that loads into FAKE_USEs are correctly removed by the
 # remove-loads-into-fake-uses pass.
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jmorse wrote:

"... and that if we do not use instruction referencing, no modifications are made"

https://github.com/llvm/llvm-project/pull/111551