[llvm] [LV] Pre-commit test for sinking the recipe into vector early exit block. nfc (PR #177954)

[Florian Hahn via llvm-commits]

================
@@ -0,0 +1,109 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5
+; RUN: opt -S < %s -p loop-vectorize | FileCheck %s
----------------
fhahn wrote:

Ah it was not clear to me that this was for a cost crash.

https://github.com/llvm/llvm-project/pull/177954