[llvm] [LoopVectorize] Enable more early exit vectorisation tests (PR #117008)

[David Sherwood via llvm-commits]

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@@ -5001,6 +5019,10 @@ LoopVectorizationCostModel::selectInterleaveCount(ElementCount VF,
   if (!Legal->isSafeForAnyVectorWidth())
     return 1;
 
+  // We don't attempt to perform interleaving for early exit loops.
+  if (Legal->hasUncountableEarlyExit())
+    return 1;
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david-arm wrote:

Yes, it's because we'd have to support multiple parts in AnyOf and I think we probably need to investigate the best approach and check that the generated code isn't horrible.

https://github.com/llvm/llvm-project/pull/117008