[llvm] [LoopVectorize] Add support for vectorisation of more early exit loops (PR #88385)

[Kiran Chandramohan via llvm-commits]

================
@@ -159,6 +159,16 @@ BlockT *LoopBase<BlockT, LoopT>::getUniqueExitBlock() const {
   return getExitBlockHelper(this, true).first;
 }
 
+template <class BlockT, class LoopT>
+BlockT *LoopBase<BlockT, LoopT>::getLatchExitBlock() const {
+  BlockT *Latch = getLoopLatch();
+  assert(Latch && "Latch block must exists");
----------------
kiranchandramohan wrote:

```suggestion
  assert(Latch && "Latch block must exist");
```

https://github.com/llvm/llvm-project/pull/88385