[llvm-branch-commits] [llvm][IR] Extend BranchWeightMetadata to track provenance of weights (PR #86609)

[David Li via llvm-branch-commits]

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@@ -1210,12 +1210,22 @@ Instruction *Instruction::cloneImpl() const {
 
 void Instruction::swapProfMetadata() {
   MDNode *ProfileData = getBranchWeightMDNode(*this);
-  if (!ProfileData || ProfileData->getNumOperands() != 3)
+  if (!isBranchWeightMD(ProfileData))
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david-xl wrote:

Extract this and other similar refactoring change into a different patch?

https://github.com/llvm/llvm-project/pull/86609
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