174   mutable AssertingVH<Function> F;
179   FunctionNode(Function *F) : F(F), Hash(StructuralHash(*F)) {}  in FunctionNode()
181   Function *getFunc() const { return F; }  in getFunc()
186   void replaceBy(Function *G) const {  in replaceBy()
238   bool insert(Function *NewFunction);
242   void remove(Function *F);
250   void replaceDirectCallers(Function *Old, Function *New);
255   void mergeTwoFunctions(Function *F, Function *G);
263   void eraseTail(Function *G);
272   void writeThunk(Function *F, Function *G);
275   void writeAlias(Function *F, Function *G);
279   bool writeThunkOrAlias(Function *F, Function *G);
282   void replaceFunctionInTree(const FunctionNode &FN, Function *G);
293   DenseMap<AssertingVH<Function>, FnTreeType::iterator> FNodesInTree;
320         Function *F1 = cast<Function>(*I);  in doFunctionalCheck()
321         Function *F2 = cast<Function>(*J);  in doFunctionalCheck()
342           Function *F3 = cast<Function>(*K);  in doFunctionalCheck()
381 static bool hasDistinctMetadataIntrinsic(const Function &F) {  in hasDistinctMetadataIntrinsic()
401 static bool isEligibleForMerging(Function &F) {  in isEligibleForMerging()
416   std::vector<std::pair<IRHash, Function *>> HashedFuncs;  in runOnModule()
417   for (Function &Func : M) {  in runOnModule()
448       Function *F = cast<Function>(I);  in runOnModule()
465 void MergeFunctions::replaceDirectCallers(Function *Old, Function *New) {  in replaceDirectCallers()
527 void MergeFunctions::eraseTail(Function *G) {  in eraseTail()
649 static bool canCreateThunkFor(Function *F) {  in canCreateThunkFor()
666 static void copyMetadataIfPresent(Function *From, Function *To, StringRef Key) {  in copyMetadataIfPresent()
680 void MergeFunctions::writeThunk(Function *F, Function *G) {  in writeThunk()
684   Function *NewG = nullptr;  in writeThunk()
698     NewG = Function::Create(G->getFunctionType(), G->getLinkage(),  in writeThunk()
705   Function *H = MergeFunctionsPDI ? G : NewG;  in writeThunk()
763 static bool canCreateAliasFor(Function *F) {  in canCreateAliasFor()
774 void MergeFunctions::writeAlias(Function *F, Function *G) {  in writeAlias()
799 bool MergeFunctions::writeThunkOrAlias(Function *F, Function *G) {  in writeThunkOrAlias()
812 void MergeFunctions::mergeTwoFunctions(Function *F, Function *G) {  in mergeTwoFunctions()
824     Function *NewF = Function::Create(F->getFunctionType(), F->getLinkage(),  in mergeTwoFunctions()
887                                            Function *G) {  in replaceFunctionInTree()
888   Function *F = FN.getFunc();  in replaceFunctionInTree()
906 static bool isFuncOrderCorrect(const Function *F, const Function *G) {  in isFuncOrderCorrect()
925 bool MergeFunctions::insert(Function *NewFunction) {  in insert()
941     Function *F = OldF.getFunc();  in insert()
950   Function *DeleteF = NewFunction;  in insert()
957 void MergeFunctions::remove(Function *F) {  in remove()