[llvm] [LV] Tidy up early bail outs related to runtime checks (PR #228077)

[Florian Hahn via llvm-commits]

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@@ -1,7 +1,9 @@
 ; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-iphoneos -vectorizer-min-trip-count=8 \
 ; RUN:   -enable-epilogue-vectorization=false -S %s | FileCheck --check-prefixes=CHECK,DEFAULT %s
 ; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-iphoneos -vectorizer-min-trip-count=8 \
-; RUN:   -enable-epilogue-vectorization=false -vectorize-memory-check-threshold=1 -S %s | FileCheck --check-prefixes=CHECK,THRESHOLD %s
+; RUN:   -enable-epilogue-vectorization=false -vectorize-memory-check-threshold=1 -S %s \
+; RUN:   -debug-only=loop-vectorize 2> %t | FileCheck --check-prefixes=CHECK,THRESHOLD %s
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fhahn wrote:

this will need `REQUIRES: asserts` or use check remarks.

https://github.com/llvm/llvm-project/pull/228077