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

[Haolin Guan via llvm-commits]

HaolinGuan7211 wrote:

Sorry—this is my first LLVM PR. I looked at a few other PRs and mistakenly thought the disclosure only needed to be included in the commit message, so I removed it from the PR description. I'll add it back now. Thanks for pointing
this out! @david-arm

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