llvm-project

1b602362 - [SimplifyCFG] Avoid redundant calls in gather. (NFC) (#154133)

[SimplifyCFG] Avoid redundant calls in gather. (NFC) (#154133) Split out from https://github.com/llvm/llvm-project/pull/154007 as it showed compile time improvements NFC as there needs to be at least two icmps that is part of the chain.