136       if (!da->isec() || !db->isec()) {  in equalsConstant()
140       isecA = da->isec();  in equalsConstant()
142       isecB = db->isec();  in equalsConstant()
194       isecA = dyn_cast<ConcatInputSection>(da->isec());  in equalsVariable()
197       isecB = cast<ConcatInputSection>(db->isec());  in equalsVariable()
287     parallelForEach(icfInputs, [&](ConcatInputSection *isec) {  in run()  argument
288       uint32_t hash = isec->icfEqClass[icfPass % 2];  in run()
289       for (const Reloc &r : isec->relocs) {  in run()
292             if (defined->isec()) {  in run()
294                       dyn_cast<ConcatInputSection>(defined->isec()))  in run()
297                 hash += defined->isec()->kind() +  in run()
298                         defined->isec()->getOffset(defined->value);  in run()
309       isec->icfEqClass[(icfPass + 1) % 2] = hash | (1ull << 31);  in run()
351         [&](ConcatInputSection *isec) {  in segregate()  argument
352           return (this->*equals)(icfInputs[begin], isec);  in segregate()
371     if (d->isec())  in markSymAsAddrSig()
372       d->isec()->keepUnique = true;  in markSymAsAddrSig()
387     const InputSection *isec = addrSigSection->subsections[0].isec;  in markAddrSigSymbols()  local
389     for (const Reloc &r : isec->relocs) {  in markAddrSigSymbols()
393         error(toString(isec) + ": unexpected section relocation");  in markAddrSigSymbols()
416   for (ConcatInputSection *isec : inputSections) {  in foldIdenticalSections()
417     bool isFoldableWithAddendsRemoved = isCfStringSection(isec) ||  in foldIdenticalSections()
418                                         isClassRefsSection(isec) ||  in foldIdenticalSections()
419                                         isSelRefsSection(isec);  in foldIdenticalSections()
422     bool hasFoldableFlags = (isSelRefsSection(isec) ||  in foldIdenticalSections()
423                              sectionType(isec->getFlags()) == MachO::S_REGULAR);  in foldIdenticalSections()
425     bool isFoldable = (!onlyCfStrings || isCfStringSection(isec)) &&  in foldIdenticalSections()
426                       (isCodeSection(isec) || isFoldableWithAddendsRemoved ||  in foldIdenticalSections()
427                        isGccExceptTabSection(isec)) &&  in foldIdenticalSections()
428                       !isec->keepUnique && !isec->hasAltEntry &&  in foldIdenticalSections()
429                       !isec->shouldOmitFromOutput() && hasFoldableFlags;  in foldIdenticalSections()
431       foldable.push_back(isec);  in foldIdenticalSections()
432       for (Defined *d : isec->symbols)  in foldIdenticalSections()
444         MutableArrayRef<uint8_t> copy = isec->data.copy(bAlloc());  in foldIdenticalSections()
445         for (const Reloc &r : isec->relocs)  in foldIdenticalSections()
448         isec->data = copy;  in foldIdenticalSections()
450     } else if (!isEhFrameSection(isec)) {  in foldIdenticalSections()
453       isec->icfEqClass[0] = ++icfUniqueID;  in foldIdenticalSections()
456   parallelForEach(foldable, [](ConcatInputSection *isec) {  in foldIdenticalSections()  argument
457     assert(isec->icfEqClass[0] == 0); // don't overwrite a unique ID!  in foldIdenticalSections()
460     isec->icfEqClass[0] = xxh3_64bits(isec->data) | (1ull << 31);  in foldIdenticalSections()