[VPlan] Use VPDef for VPWidenSelectRecipe.

This patch turns updates VPWidenSelectRecipe to manage the value
it defines using VPDef.

Reviewed By: gilr

Differential Revision: https://reviews.llvm.org/D90560

diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index 2b3808b..02ae609 100644 (file)
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -885,7 +885,10 @@ public:
 };
 
 /// A recipe for widening select instructions.
-class VPWidenSelectRecipe : public VPRecipeBase, public VPValue, public VPUser {
+class VPWidenSelectRecipe : public VPRecipeBase,
+                            public VPDef,
+                            public VPUser,
+                            public VPValue {
 
   /// Is the condition of the select loop invariant?
   bool InvariantCond;
@@ -894,8 +897,8 @@ public:
   template <typename IterT>
   VPWidenSelectRecipe(SelectInst &I, iterator_range<IterT> Operands,
                       bool InvariantCond)
-      : VPRecipeBase(VPRecipeBase::VPWidenSelectSC),
-        VPValue(VPValue::VPVWidenSelectSC, &I), VPUser(Operands),
+      : VPRecipeBase(VPRecipeBase::VPWidenSelectSC), VPUser(Operands),
+        VPValue(VPValue::VPVWidenSelectSC, &I, this),
         InvariantCond(InvariantCond) {}
 
   ~VPWidenSelectRecipe() override = default;