51     GlobalValue *GV = cast<GlobalValue>(Operand);  in FindUsedValues()  local
52     UsedValues.insert(GV);  in FindUsedValues()
68 static bool hasMetadataOtherThanDebugLoc(const GlobalVariable *GV) {  in hasMetadataOtherThanDebugLoc()  argument
70   GV->getAllMetadata(MDs);  in hasMetadataOtherThanDebugLoc()
85 static Align getAlign(GlobalVariable *GV) {  in getAlign()  argument
86   return GV->getAlign().value_or(  in getAlign()
87       GV->getParent()->getDataLayout().getPreferredAlign(GV));  in getAlign()
91 isUnmergeableGlobal(GlobalVariable *GV,  in isUnmergeableGlobal()  argument
94   return !GV->isConstant() || !GV->hasDefinitiveInitializer() ||  in isUnmergeableGlobal()
95          GV->getType()->getAddressSpace() != 0 || GV->hasSection() ||  in isUnmergeableGlobal()
97          GV->isThreadLocal() ||  in isUnmergeableGlobal()
99          UsedGlobals.count(GV);  in isUnmergeableGlobal()
154     for (GlobalVariable &GV : llvm::make_early_inc_range(M.globals())) {  in mergeConstants()
156       GV.removeDeadConstantUsers();  in mergeConstants()
157       if (GV.use_empty() && GV.hasLocalLinkage()) {  in mergeConstants()
158         GV.eraseFromParent();  in mergeConstants()
163       if (isUnmergeableGlobal(&GV, UsedGlobals))  in mergeConstants()
170       if (GV.isWeakForLinker())  in mergeConstants()
174       if (hasMetadataOtherThanDebugLoc(&GV))  in mergeConstants()
177       Constant *Init = GV.getInitializer();  in mergeConstants()
186       if (FirstConstantFound || IsBetterCanonical(GV, *Slot)) {  in mergeConstants()
187         Slot = &GV;  in mergeConstants()
188         LLVM_DEBUG(dbgs() << "Cmap[" << *Init << "] = " << GV.getName()  in mergeConstants()
197     for (GlobalVariable &GV : llvm::make_early_inc_range(M.globals())) {  in mergeConstants()
198       if (isUnmergeableGlobal(&GV, UsedGlobals))  in mergeConstants()
202       if (!GV.hasLocalLinkage())  in mergeConstants()
205       Constant *Init = GV.getInitializer();  in mergeConstants()
213       if (Slot == &GV)  in mergeConstants()
216       if (makeMergeable(&GV, Slot) == CanMerge::No)  in mergeConstants()
220       LLVM_DEBUG(dbgs() << "Will replace: @" << GV.getName() << " -> @"  in mergeConstants()
222       SameContentReplacements.push_back(std::make_pair(&GV, Slot));  in mergeConstants()