[llvm] [VPlan] Extract reverse operation for reverse accesses (PR #146525)

[Mel Chen via llvm-commits]

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@@ -2482,6 +2482,29 @@ static VPRecipeBase *optimizeMaskToEVL(VPValue *HeaderMask,
       .Case<VPWidenStoreRecipe>([&](VPWidenStoreRecipe *S) {
         VPValue *NewMask = GetNewMask(S->getMask());
         VPValue *NewAddr = GetNewAddr(S->getAddr());
+        // Convert general reverse operations on stored value into vp.reverse,
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Mel-Chen wrote:

15e70477d24a0d3c655706b1170bc806810311be

https://github.com/llvm/llvm-project/pull/146525