[llvm] [LV][NFC] Introduce LoopVectorizationUtils for shared utility functions (PR #194951)

[Hassnaa Hamdi via llvm-commits]

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@@ -1618,9 +1621,10 @@ bool LoopVectorizationLegality::canVectorizeLoopCFG(Loop *Lp,
   // We must have a loop in canonical form. Loops with indirectbr in them cannot
   // be canonicalized.
   if (!Lp->getLoopPreheader()) {
-    reportVectorizationFailure("Loop doesn't have a legal pre-header",
-        "loop control flow is not understood by vectorizer",
-        "CFGNotUnderstood", ORE, TheLoop);
+    reportVectorizationFailure(
+        "Loop doesn't have a legal pre-header",
+        "loop control flow is not understood by vectorizer", "CFGNotUnderstood",
+        ORE, TheLoop);
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hassnaaHamdi wrote:

Yeah, I tried that but the format test failed because it considers the file got touched.

https://github.com/llvm/llvm-project/pull/194951