[llvm] [LV] Add early-exit-with-store tests (PR #140899)

[Florian Hahn via llvm-commits]

================
@@ -0,0 +1,410 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
----------------
fhahn wrote:

```suggestion
```

The checks don't look auto-generated, 

https://github.com/llvm/llvm-project/pull/140899