[llvm] [LoopVectorize] Vectorize select-cmp reduction pattern for increasing integer induction variable (PR #67812)

[Mel Chen via llvm-commits]

Mel-Chen wrote:

> It looks like the patch didn't correctly handle epilogue vectorization and caused a mis-compile in SPEC2017 on AArch64.
> 
> I pushed [0e528ac](https://github.com/llvm/llvm-project/commit/0e528ac404e13ed2d952a2d83aaf8383293c851e) to fix the issue and hopefully avoid a revert

Thank you! This is something I didn't notice before.
I am going to check IR for epilogue vectorization, and will fix it as soon as possible if there is a bug found.

https://github.com/llvm/llvm-project/pull/67812