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[LTO] Turn ImportListsTy into a proper class (NFC) #106427

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19 changes: 18 additions & 1 deletion llvm/include/llvm/Transforms/IPO/FunctionImport.h
Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,24 @@ class FunctionImporter {
};

// A map from destination modules to lists of imports.
using ImportListsTy = DenseMap<StringRef, ImportMapTy>;
class ImportListsTy {
public:
ImportListsTy() = default;
ImportListsTy(size_t Size) : ListsImpl(Size) {}

ImportMapTy &operator[](StringRef DestMod) {
return ListsImpl.try_emplace(DestMod).first->second;
}

size_t size() const { return ListsImpl.size(); }

using const_iterator = DenseMap<StringRef, ImportMapTy>::const_iterator;
const_iterator begin() const { return ListsImpl.begin(); }
const_iterator end() const { return ListsImpl.end(); }

private:
DenseMap<StringRef, ImportMapTy> ListsImpl;
};

/// The set contains an entry for every global value that the module exports.
/// Depending on the user context, this container is allowed to contain
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