[llvm] [LV] Vectorize conditional scalar assignments (PR #158088)

[Florian Hahn via llvm-commits]

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@@ -992,3 +992,66 @@ bool VPlanTransforms::handleMaxMinNumReductions(VPlan &Plan) {
   MiddleTerm->setOperand(0, NewCond);
   return true;
 }
+
+void VPlanTransforms::convertFindLastRecurrences(
+    VPlan &Plan, VPRecipeBuilder &RecipeBuilder) {
+  if (Plan.hasScalarVFOnly())
+    return;
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fhahn wrote:

I think the scalar plan won't be correct without handling of masks below. It won't be used currently as interleaving is disabled, but can we discard it (return false here and return nullptr in the caller)?



https://github.com/llvm/llvm-project/pull/158088