[llvm] [VPlan] Dispatch to multiple exit blocks via middle blocks. (PR #112138)

[via llvm-commits]

================
@@ -1375,6 +1375,17 @@ bool LoopVectorizationLegality::isFixedOrderRecurrence(
 }
 
 bool LoopVectorizationLegality::blockNeedsPredication(BasicBlock *BB) const {
+  // When vectorizing early exits, create predicates for the latch block. The
----------------
ayalz wrote:

```suggestion
  // When vectorizing early exits, create predicates for the latch block only. The
```
?

https://github.com/llvm/llvm-project/pull/112138