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()
419         (!onlyCfStrings || isCfStringSection(isec)) &&  in foldIdenticalSections()
420         (isCodeSection(isec) || isCfStringSection(isec) ||  in foldIdenticalSections()
421          isClassRefsSection(isec) || isGccExceptTabSection(isec)) &&  in foldIdenticalSections()
422         !isec->keepUnique && !isec->shouldOmitFromOutput() &&  in foldIdenticalSections()
423         sectionType(isec->getFlags()) == MachO::S_REGULAR;  in foldIdenticalSections()
425       hashable.push_back(isec);  in foldIdenticalSections()
426       for (Defined *d : isec->symbols)  in foldIdenticalSections()
435       if (isCfStringSection(isec) || isClassRefsSection(isec)) {  in foldIdenticalSections()
438         MutableArrayRef<uint8_t> copy = isec->data.copy(bAlloc());  in foldIdenticalSections()
439         for (const Reloc &r : isec->relocs)  in foldIdenticalSections()
442         isec->data = copy;  in foldIdenticalSections()
444     } else if (!isEhFrameSection(isec)) {  in foldIdenticalSections()
447       isec->icfEqClass[0] = ++icfUniqueID;  in foldIdenticalSections()
450   parallelForEach(hashable, [](ConcatInputSection *isec) {  in foldIdenticalSections()  argument
451     assert(isec->icfEqClass[0] == 0); // don't overwrite a unique ID!  in foldIdenticalSections()
454     isec->icfEqClass[0] = xxHash64(isec->data) | (1ull << 31);  in foldIdenticalSections()