Lines Matching defs:GV

435   auto mayPreserveGlobal = [&](GlobalValue &GV) {
436     if (!GV.isDiscardableIfUnused() || GV.isDeclaration() ||
437         !mustPreserveGV(GV))
439     if (GV.hasAvailableExternallyLinkage())
442            GV.getName() + "'").str());
443     if (GV.hasInternalLinkage())
445                    GV.getName() + "'").str());
446     Used.push_back(&GV);
448   for (auto &GV : TheModule)
449     mayPreserveGlobal(GV);
450   for (auto &GV : TheModule.globals())
451     mayPreserveGlobal(GV);
452   for (auto &GV : TheModule.aliases())
453     mayPreserveGlobal(GV);
469   auto mustPreserveGV = [&](const GlobalValue &GV) -> bool {
471     if (!GV.hasName())
474     // Need to mangle the GV as the "MustPreserveSymbols" StringSet is filled
478     MangledName.reserve(GV.getName().size() + 1);
479     Mang.getNameWithPrefix(MangledName, &GV, /*CannotUsePrivateLabel=*/false);
493     auto RecordLinkage = [&](const GlobalValue &GV) {
494       if (!GV.hasAvailableExternallyLinkage() && !GV.hasLocalLinkage() &&
495           GV.hasName())
496         ExternalSymbols.insert(std::make_pair(GV.getName(), GV.getLinkage()));
498     for (auto &GV : *MergedModule)
499       RecordLinkage(GV);
500     for (auto &GV : MergedModule->globals())
501       RecordLinkage(GV);
502     for (auto &GV : MergedModule->aliases())
503       RecordLinkage(GV);
526   auto externalize = [this](GlobalValue &GV) {
527     if (!GV.hasLocalLinkage() || !GV.hasName())
530     auto I = ExternalSymbols.find(GV.getName());
534     GV.setLinkage(I->second);