[llvm] [LV] Support binary and unary operations with EVL-vectorization (PR #93854)

[via llvm-commits]

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@@ -1405,6 +1407,66 @@ void VPlanTransforms::addActiveLaneMask(
     HeaderMask->replaceAllUsesWith(LaneMask);
 }
 
+/// Replace recipes with their EVL variants.
+static void transformRecipestoEVLRecipes(VPlan &Plan, VPValue &EVL) {
+  VPDominatorTree VPDT;
+  VPDT.recalculate(Plan);
+  SmallVector<VPRecipeBase *> ToRemove;
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LiqinWeng wrote:

Unused， pls remove

https://github.com/llvm/llvm-project/pull/93854