[llvm] [VPlan] Retrieve alignment from Load/StoreInst in constructors. nfc (PR #165722)

[via llvm-commits]

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@@ -3265,18 +3265,18 @@ class LLVM_ABI_FOR_TEST VPWidenMemoryRecipe : public VPRecipeBase,
 struct LLVM_ABI_FOR_TEST VPWidenLoadRecipe final : public VPWidenMemoryRecipe,
                                                    public VPValue {
   VPWidenLoadRecipe(LoadInst &Load, VPValue *Addr, VPValue *Mask,
-                    bool Consecutive, bool Reverse, Align Alignment,
+                    bool Consecutive, bool Reverse,
                     const VPIRMetadata &Metadata, DebugLoc DL)
       : VPWidenMemoryRecipe(VPDef::VPWidenLoadSC, Load, {Addr}, Consecutive,
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ayalz wrote:

Can also have the constructor of VPWidenMemoryRecipe retrieve the alignment from the `Load` ingredient here via getLoadStoreAlignment(), and from the `Store` ingredient below.

https://github.com/llvm/llvm-project/pull/165722