[llvm] [LV] Check isPredInst instead of isScalarWithPred in uniform analysis. (PR #98892)

[via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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ayalz wrote:

Worth pre-committing these tests to first record their current xfail behavior?

https://github.com/llvm/llvm-project/pull/98892