[llvm] [LV, VP]VP intrinsics support for the Loop Vectorizer (PR #76172)

[Florian Hahn via llvm-commits]

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@@ -4690,6 +4712,39 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) {
   // FIXME: look for a smaller MaxVF that does divide TC rather than masking.
   if (Legal->prepareToFoldTailByMasking()) {
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fhahn wrote:

> The logic of this method is getting excessively complicated.
> Suggest to turn this into an early-exiting if (!Legal->prepareToFoldTailByMasking()) https://reviews.llvm.org/D99750?id=558054#inline-1551712

https://github.com/llvm/llvm-project/pull/76172