Transforms/Utils/FunctionImportUtils.cpp

77     const GlobalValue &GV) const {
78   if (!GV.hasLocalLinkage())
81   if (GV.hasSection())
83   if (Used.count(const_cast<GlobalValue *>(&GV)))
195 void FunctionImportGlobalProcessing::processGlobalForThinLTO(GlobalValue &GV) {
198   if (GV.hasName()) {
199     VI = ImportIndex.getValueInfo(GV.getGUID());
202       if (Function *F = dyn_cast<Function>(&GV)) {
218       GV.setDSOLocal(true);
219       if (GV.hasDLLImportStorageClass())
220         GV.setDLLStorageClass(GlobalValue::DefaultStorageClass);
224   // We should always have a ValueInfo (i.e. GV in index) for definitions when
226   assert(VI || GV.isDeclaration() ||
227          (isPerformingImport() && !doImportAsDefinition(&GV)));
236   // propagateConstants hasn't been run. We can't internalize GV
238   if (!GV.isDeclaration() && VI && ImportIndex.withAttributePropagation()) {
239     if (GlobalVariable *V = dyn_cast<GlobalVariable>(&GV)) {
254         // Objects referenced by writeonly GV initializer should not be
256         // on behalf of this writeonly GV. To avoid promotion we convert
257         // GV initializer to 'zeroinitializer'. This effectively drops
267   if (GV.hasLocalLinkage() && shouldPromoteLocalToGlobal(&GV, VI)) {
268     // Save the original name string before we rename GV below.
269     auto Name = GV.getName().str();
270     GV.setName(getPromotedName(&GV));
271     GV.setLinkage(getLinkage(&GV, /* DoPromote */ true));
272     assert(!GV.hasLocalLinkage());
273     GV.setVisibility(GlobalValue::HiddenVisibility);
277     if (const auto *C = GV.getComdat())
279         RenamedComdats.try_emplace(C, M.getOrInsertComdat(GV.getName()));
281     GV.setLinkage(getLinkage(&GV, /* DoPromote */ false));
286   auto *GO = dyn_cast<GlobalObject>(&GV);
298   for (GlobalVariable &GV : M.globals())
299     processGlobalForThinLTO(GV);