[llvm] [SimplifyCFG] Propagate profile in `simplifySwitchOfPowersOfTwo` (PR #165804)

[Mircea Trofin via llvm-commits]

mtrofin wrote:

### Merge activity

* **Oct 31, 8:03 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/165804).


https://github.com/llvm/llvm-project/pull/165804