[llvm] [LV]Split store-load forward distance analysis from other checks, NFC (PR #121156)

[Alexey Bataev via llvm-commits]

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@@ -4107,6 +4112,7 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) {
       LLVM_DEBUG(dbgs() << "LV: No tail will remain for any chosen VF.\n");
       return MaxFactors;
     }
+    MaxPowerOf2RuntimeVF.reset();
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alexey-bataev wrote:

Yes, without it the test are failed

https://github.com/llvm/llvm-project/pull/121156