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

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 21 05:32:56 PST 2025


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@@ -8566,6 +8576,10 @@ VPlanPtr LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(
                                 *Plan, Builder))
     return nullptr;
 
+  // Create whole-vector selects for find-last recurrences.
+  VPlanTransforms::runPass(VPlanTransforms::convertFindLastRecurrences, *Plan,
+                           RecipeBuilder);
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fhahn wrote:

Can this be moved next to the other transform handling reductions, `handleMaxMinNumReductions` and the names aligned?

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


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