84   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {  in runOnModule()  local
85     Changed |= RemoveUnusedGlobalValue(*I);  in runOnModule()
87     if (!I->isDeclaration() && !I->hasAvailableExternallyLinkage()) {  in runOnModule()
88       if (!I->isDiscardableIfUnused())  in runOnModule()
89         GlobalIsNeeded(I);  in runOnModule()
90       else if (const Comdat *C = I->getComdat())  in runOnModule()
91         ComdatGVPairs.insert(std::make_pair(C, I));  in runOnModule()
95   for (Module::global_iterator I = M.global_begin(), E = M.global_end();  in runOnModule()  local
96        I != E; ++I) {  in runOnModule()
97     Changed |= RemoveUnusedGlobalValue(*I);  in runOnModule()
100     if (!I->isDeclaration() && !I->hasAvailableExternallyLinkage()) {  in runOnModule()
101       if (!I->isDiscardableIfUnused())  in runOnModule()
102         GlobalIsNeeded(I);  in runOnModule()
103       else if (const Comdat *C = I->getComdat())  in runOnModule()
104         ComdatGVPairs.insert(std::make_pair(C, I));  in runOnModule()
108   for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();  in runOnModule()  local
109        I != E; ++I) {  in runOnModule()
110     Changed |= RemoveUnusedGlobalValue(*I);  in runOnModule()
112     if (!I->isDiscardableIfUnused()) {  in runOnModule()
113       GlobalIsNeeded(I);  in runOnModule()
114     } else if (const Comdat *C = I->getComdat()) {  in runOnModule()
115       ComdatGVPairs.insert(std::make_pair(C, I));  in runOnModule()
119   for (ComdatGVPairsTy::iterator I = ComdatGVPairs.begin(),  in runOnModule()  local
121        I != E;) {  in runOnModule()
122     ComdatGVPairsTy::iterator UB = ComdatGVPairs.upper_bound(I->first);  in runOnModule()
123     bool CanDiscard = std::all_of(I, UB, [](ComdatGVPairsTy::value_type Pair) {  in runOnModule()
127       std::for_each(I, UB, [this](ComdatGVPairsTy::value_type Pair) {  in runOnModule()
131     I = UB;  in runOnModule()
140   for (Module::global_iterator I = M.global_begin(), E = M.global_end();  in runOnModule()  local
141        I != E; ++I)  in runOnModule()
142     if (!AliveGlobals.count(I)) {  in runOnModule()
143       DeadGlobalVars.push_back(I);         // Keep track of dead globals  in runOnModule()
144       I->setInitializer(nullptr);  in runOnModule()
149   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)  in runOnModule()  local
150     if (!AliveGlobals.count(I)) {  in runOnModule()
151       DeadFunctions.push_back(I);         // Keep track of dead globals  in runOnModule()
152       if (!I->isDeclaration())  in runOnModule()
153         I->deleteBody();  in runOnModule()
158   for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end(); I != E;  in runOnModule()  local
159        ++I)  in runOnModule()
160     if (!AliveGlobals.count(I)) {  in runOnModule()
161       DeadAliases.push_back(I);  in runOnModule()
162       I->setAliasee(nullptr);  in runOnModule()
228       for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I)  in GlobalIsNeeded()  local
229         for (User::op_iterator U = I->op_begin(), E = I->op_end(); U != E; ++U)  in GlobalIsNeeded()
243   for (User::op_iterator I = C->op_begin(), E = C->op_end(); I != E; ++I) {  in MarkUsedGlobalsAsNeeded()  local
245     Constant *Op = dyn_cast<Constant>(*I);  in MarkUsedGlobalsAsNeeded()