[llvm] [VPlan] Manage instruction medata in VPlan. (PR #135272)

[via llvm-commits]

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@@ -2755,7 +2758,7 @@ void VPlanTransforms::narrowInterleaveGroups(VPlan &Plan, ElementCount VF,
       auto *L = new VPWidenLoadRecipe(
           *cast<LoadInst>(LoadGroup->getInterleaveGroup()->getInsertPos()),
           LoadGroup->getAddr(), LoadGroup->getMask(), /*Consecutive=*/true,
-          /*Reverse=*/false, LoadGroup->getDebugLoc());
+          /*Reverse=*/false, {}, LoadGroup->getDebugLoc());
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ayalz wrote:

The single widenLoad/StoreRecipe in this case drops the metadata of its insertPos/underlying load/store? Seems an exception worthy of a note, perhaps an explicit subsequent dropMetadata() call?

https://github.com/llvm/llvm-project/pull/135272