[llvm] [VPlan] Split VPWidenMemoryInstructionRecipe (NFCI). (PR #87411)

[via llvm-commits]

================
@@ -9535,7 +9464,68 @@ void VPWidenMemoryInstructionRecipe::execute(VPTransformState &State) {
         NewLI = Builder.CreateVectorReverse(NewLI, "reverse");
     }
 
-    State.set(getVPSingleValue(), NewLI, Part);
+    State.set(this, NewLI, Part);
+  }
+}
+
+void VPWidenStoreRecipe::execute(VPTransformState &State) {
+  auto *SI = cast<StoreInst>(&Ingredient);
+
+  VPValue *StoredValue = getStoredValue();
----------------
ayalz wrote:

```suggestion
  VPValue *StoredVPValue = getStoredValue();
```
nit: clarify the distinction between Stored Value and Stored VPValue, as in Mask and VPMask.

https://github.com/llvm/llvm-project/pull/87411