[llvm] [LV] Fix assertion for simplified invariant reduction stores (PR #217306)

[Luke Lau via llvm-commits]

lukel97 wrote:

I've gone ahead and posted a simpler fix in https://github.com/llvm/llvm-project/pull/217316, I don't think this is the type of bug that LLMs tend to fix very well.

If you're looking to get started with LLVM in general you might want to take a look at
https://github.com/llvm/llvm-project/issues?q=is%3Aissue%20state%3Aopen%20label%3A%22good%20first%20issue%22

It's probably best to try and avoid using an LLM at least for the first few PRs to help build up an understanding

https://github.com/llvm/llvm-project/pull/217306