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

[Alexey Bataev via llvm-commits]

================
@@ -9464,22 +9463,15 @@ static Instruction *lowerLoadUsingVectorIntrinsics(IRBuilderBase &Builder,
   return Call;
 }
 
-void VPWidenMemoryInstructionRecipe::execute(VPTransformState &State) {
-  VPValue *StoredValue = isStore() ? getStoredValue() : nullptr;
-
+void VPWidenLoadRecipe::execute(VPTransformState &State) {
   // Attempt to issue a wide load.
-  LoadInst *LI = dyn_cast<LoadInst>(&Ingredient);
-  StoreInst *SI = dyn_cast<StoreInst>(&Ingredient);
-
-  assert((LI || SI) && "Invalid Load/Store instruction");
-  assert((!SI || StoredValue) && "No stored value provided for widened store");
-  assert((!LI || !StoredValue) && "Stored value provided for widened load");
+  LoadInst *LI = cast<LoadInst>(&Ingredient);
 
   Type *ScalarDataTy = getLoadStoreType(&Ingredient);
 
   auto *DataTy = VectorType::get(ScalarDataTy, State.VF);
   const Align Alignment = getLoadStoreAlignment(&Ingredient);
-  bool CreateGatherScatter = !isConsecutive();
+  bool CreateGather = !isConsecutive();
----------------
alexey-bataev wrote:

```suggestion
  bool IsConsecutive = isConsecutive();
```


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