[llvm] [LV] Bundle partial reductions inside VPExpressionRecipe (PR #147302)

[Florian Hahn via llvm-commits]

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@@ -227,6 +227,8 @@ class TargetTransformInfo {
   /// Get the kind of extension that an instruction represents.
   LLVM_ABI static PartialReductionExtendKind
   getPartialReductionExtendKind(Instruction *I);
+  LLVM_ABI static PartialReductionExtendKind
+  getPartialReductionExtendKind(Instruction::CastOps CastOpc);
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fhahn wrote:

would be good to add a brief comment

https://github.com/llvm/llvm-project/pull/147302