[llvm] [X86] Fix bool vector extension for non-power-of-2 sizes (PR #228921)

[Doha Nam via llvm-commits]

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waroad wrote:

Added v13i1 and v17i1 (zext to v13i8 and v17i8) in b7bb5ddc1. v17i1 also covers the widening to a non-power-of-2 size (i24).

https://github.com/llvm/llvm-project/pull/228921