227     const auto *MRegs = &G.getNodeMetadata(MId).getAllowedRegs();  in haveDisjointAllowedRegs()  local
229     if (NRegs == MRegs)  in haveDisjointAllowedRegs()
232     if (NRegs < MRegs)  in haveDisjointAllowedRegs()
233       return D.contains(IKey(NRegs, MRegs));  in haveDisjointAllowedRegs()
235     return D.contains(IKey(MRegs, NRegs));  in haveDisjointAllowedRegs()
242     const auto *MRegs = &G.getNodeMetadata(MId).getAllowedRegs();  in setDisjointAllowedRegs()  local
244     assert(NRegs != MRegs && "AllowedRegs can not be disjoint with itself");  in setDisjointAllowedRegs()
246     if (NRegs < MRegs)  in setDisjointAllowedRegs()
247       D.insert(IKey(NRegs, MRegs));  in setDisjointAllowedRegs()
249       D.insert(IKey(MRegs, NRegs));  in setDisjointAllowedRegs()
402     const auto &MRegs = G.getNodeMetadata(MId).getAllowedRegs();  in createInterferenceEdge()  local
405     IKey K(&NRegs, &MRegs);  in createInterferenceEdge()
412     PBQPRAGraph::RawMatrix M(NRegs.size() + 1, MRegs.size() + 1, 0);  in createInterferenceEdge()
416       for (unsigned J = 0; J != MRegs.size(); ++J) {  in createInterferenceEdge()
417         MCRegister PRegM = MRegs[J];  in createInterferenceEdge()