[llvm] [ValueTracking] Support GEPs in matchSimpleRecurrence. (PR #123518)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

@fhahn Can you check this case https://gist.github.com/dtcxzyw/10abd2cd4d869ef6434625bfb0de6c46? Before this patch, `@_ZN5clang7targetsL7AVRMcusE` is marked as a constant.


https://github.com/llvm/llvm-project/pull/123518