[llvm] [VPlan] Run recipe removal and simplification after optimizeForVFAndUF. (PR #125926)

[via llvm-commits]

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@@ -170,6 +170,14 @@ struct Recipe_match {
     if ((!matchRecipeAndOpcode<RecipeTys>(R) && ...))
       return false;
 
+    if (!(std::is_same_v<VPWidenEVLRecipe, RecipeTys> || ...) &&
+        isa<VPWidenEVLRecipe>(R)) {
+      // Don't match VPWidenEVLRecipe if it is not explicitly part of RecipeTys.
+      // Otherwise we might match it unexpectedly when trying to match
+      // VPWidenRecipe, of which VPWidenEVLRecipe is a subclass of.
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ayalz wrote:

Is this relevant in general for any recipe that is a subclass of another?

https://github.com/llvm/llvm-project/pull/125926