[llvm] [VPlan] Manage noalias/alias_scope metadata in VPlan. (NFC) (PR #136450)

[via llvm-commits]

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@@ -78,15 +78,19 @@ bool VPlanTransforms::tryToConvertVPInstructionsToVPRecipes(
         assert(!isa<PHINode>(Inst) && "phis should be handled above");
         // Create VPWidenMemoryRecipe for loads and stores.
         if (LoadInst *Load = dyn_cast<LoadInst>(Inst)) {
+          SmallVector<std::pair<unsigned, MDNode *>> Metadata;
+          ::getMetadataToPropagate(Inst, Metadata);
           NewRecipe = new VPWidenLoadRecipe(
               *Load, Ingredient.getOperand(0), nullptr /*Mask*/,
-              false /*Consecutive*/, false /*Reverse*/,
+              false /*Consecutive*/, false /*Reverse*/, {Metadata},
               Ingredient.getDebugLoc());
         } else if (StoreInst *Store = dyn_cast<StoreInst>(Inst)) {
+          SmallVector<std::pair<unsigned, MDNode *>> Metadata;
+          ::getMetadataToPropagate(Inst, Metadata);
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ayalz wrote:

ditto

https://github.com/llvm/llvm-project/pull/136450