davidxl added inline comments. ================ Comment at: lib/CodeGen/CodeGenPGO.cpp:791 @@ +790,3 @@ + // Create PGOFuncName meta data. + llvm::Function *F = ValueSite->getFunction(); + if (!llvm::getPGOFuncNameMetadata(*F)) ---------------- This may not be the best place do set the data. Better to call it in setFuncName
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