lib/Linker/LinkModules.cpp

80                                      Comdat::SelectionKind Src,
81                                      Comdat::SelectionKind Dst,
82                                      Comdat::SelectionKind &Result,
84   std::map<const Comdat *, std::pair<Comdat::SelectionKind, bool>>
86   bool getComdatResult(const Comdat *SrcC, Comdat::SelectionKind &SK,
89   DenseMap<const Comdat *, std::vector<GlobalValue *>> ComdatMembers;
431                                                  Comdat::SelectionKind Src,
432                                                  Comdat::SelectionKind Dst,
433                                                  Comdat::SelectionKind &Result,
436   // The ability to mix Comdat::SelectionKind::Any with
437   // Comdat::SelectionKind::Largest is a behavior that comes from COFF.
438   bool DstAnyOrLargest = Dst == Comdat::SelectionKind::Any ||
439                          Dst == Comdat::SelectionKind::Largest;
440   bool SrcAnyOrLargest = Src == Comdat::SelectionKind::Any ||
441                          Src == Comdat::SelectionKind::Largest;
443     if (Dst == Comdat::SelectionKind::Largest ||
444         Src == Comdat::SelectionKind::Largest)
445       Result = Comdat::SelectionKind::Largest;
447       Result = Comdat::SelectionKind::Any;
456   case Comdat::SelectionKind::Any:
460   case Comdat::SelectionKind::NoDuplicates:
463   case Comdat::SelectionKind::ExactMatch:
464   case Comdat::SelectionKind::Largest:
465   case Comdat::SelectionKind::SameSize: {
478     if (Result == Comdat::SelectionKind::ExactMatch) {
483     } else if (Result == Comdat::SelectionKind::Largest) {
485     } else if (Result == Comdat::SelectionKind::SameSize) {
500 bool ModuleLinker::getComdatResult(const Comdat *SrcC,
501                                    Comdat::SelectionKind &Result,
504   Comdat::SelectionKind SSK = SrcC->getSelectionKind();
516   const Comdat *DstC = &DstCI->second;
517   Comdat::SelectionKind DSK = DstC->getSelectionKind();
684   if (const Comdat *SC = GV.getComdat()) {
686     Comdat::SelectionKind SK;
710   const Comdat *SC = GV.getComdat();
750     const Comdat &C = SMEC.getValue();
753     Comdat::SelectionKind SK;
761     if (const Comdat *SC = GV.getComdat())
765     if (const Comdat *SC = SF.getComdat())
769     if (const Comdat *SC = GA.getComdat())
797     const Comdat *SC = GV->getComdat();