[llvm] [LoopUnroll] Unroll when requested despite inlining candidates (PR #219077)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

> Can you clarify how this interacts with LTO? Will this do the unroll pre-link? That should certainly not happen.

Fixed. For future reference, what is the general philosophy here? That we should only be doing simplification/reducing IR size pre-link?

https://github.com/llvm/llvm-project/pull/219077