Manually implement classof of VPReductionRecipe.

Author: Mel-Chen

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -2197,7 +2197,15 @@ class VPReductionRecipe : public VPSingleDefRecipe {
                                  getVecOp(), getCondOp(), IsOrdered);
   }
 
-  VP_CLASSOF_IMPL(VPDef::VPReductionSC)
+  static inline bool classof(const VPRecipeBase *R) {
+    return R->getVPDefID() == VPRecipeBase::VPReductionSC ||
+           R->getVPDefID() == VPRecipeBase::VPReductionEVLSC;
+  }
+
+  static inline bool classof(const VPUser *U) {
+    auto *R = dyn_cast<VPRecipeBase>(U);
+    return R && classof(R);
+  }
 
   /// Generate the reduction in the loop
   void execute(VPTransformState &State) override;

llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp

@@ -275,7 +275,7 @@ Type *VPTypeAnalysis::inferScalarType(const VPValue *V) {
           .Case<VPExpandSCEVRecipe>([](const VPExpandSCEVRecipe *R) {
             return R->getSCEV()->getType();
           })
-          .Case<VPReductionRecipe, VPReductionEVLRecipe>([this](const auto *R) {
+          .Case<VPReductionRecipe>([this](const auto *R) {
             return inferScalarType(R->getChainOp());
           });