[llvm] [SimplifyCFG] Simplify switch with implicit default (PR #95665)

[Nikita Popov via llvm-commits]

================
@@ -7104,6 +7104,48 @@ static bool simplifySwitchOfPowersOfTwo(SwitchInst *SI, IRBuilder<> &Builder,
   return true;
 }
 
+// Try to fold switch with manually selecting default branch
----------------
nikic wrote:

```suggestion
// Try to fold switch with manually selected default branch.
```

https://github.com/llvm/llvm-project/pull/95665