[clang] [llvm] [LV] Mask off possibly aliasing vector lanes (PR #100579)

[Sam Tebbs via llvm-commits]

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+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
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SamTebbs33 wrote:

That's true, I've removed this file and have started work on adding a test to the llvm-test-suite to replace it. A statistic variable will help make sure the alias masking is happening.

https://github.com/llvm/llvm-project/pull/100579