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

[Florian Hahn via llvm-commits]

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@@ -9082,6 +9089,13 @@ bool VPRecipeBuilder::getScaledReductions(
   return false;
 }
 
+SmallVector<std::pair<unsigned, MDNode *>>
+VPRecipeBuilder::getMetadataToPropagate(Instruction *I) {
+  SmallVector<std::pair<unsigned, MDNode *>> Metadata;
+  ::getMetadataToPropagate(I, Metadata);
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fhahn wrote:

It's a helper to get the metadata that can and should be propagated to the vector instructions: https://github.com/llvm/llvm-project/blob/main/llvm/lib/Analysis/VectorUtils.cpp#L991

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