[llvm] [LV] Support EVL for partial reduction and VPExpressionRecipe. (PR #205741)

[Elvis Wang via llvm-commits]

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@@ -3559,18 +3580,21 @@ VPExpressionRecipe::VPExpressionRecipe(
       R->replaceUsesOfWith(LiveIn, Tmp);
 }
 
-void VPExpressionRecipe::decompose() {
-  for (auto *R : ExpressionRecipes)
+SmallVector<VPSingleDefRecipe *> VPExpressionRecipe::decompose() {
+  for (auto *R : ExpressionRecipes) {
     // Since the list could contain duplicates, make sure the recipe hasn't
     // already been inserted.
     if (!R->getParent())
       R->insertBefore(this);
+  }
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ElvisWang123 wrote:

Dropped, thanks!

https://github.com/llvm/llvm-project/pull/205741