782       if (StringInit *LHSs = dyn_cast<StringInit>(LHS))  in Fold()  local
783         return LHSs;  in Fold()
861     if (StringInit *LHSs = dyn_cast<StringInit>(LHS))  in Fold()  local
862       return IntInit::get(RK, LHSs->getValue().size());  in Fold()
870     if (StringInit *LHSs = dyn_cast<StringInit>(LHS))  in Fold()  local
871       return IntInit::get(RK, LHSs->getValue().empty());  in Fold()
1024     DagInit *LHSs = dyn_cast<DagInit>(LHS);  in Fold()  local
1026     if (LHSs && RHSs) {  in Fold()
1027       DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator());  in Fold()
1029       if ((!LOp && !isa<UnsetInit>(LHSs->getOperator())) ||  in Fold()
1034                         LHSs->getAsString() + "' vs. '" + RHSs->getAsString() +  in Fold()
1043       for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {  in Fold()
1044         Args.push_back(LHSs->getArg(i));  in Fold()
1045         ArgNames.push_back(LHSs->getArgName(i));  in Fold()
1056     ListInit *LHSs = dyn_cast<ListInit>(LHS);  in Fold()  local
1058     if (LHSs && RHSs) {  in Fold()
1060       llvm::append_range(Args, *LHSs);  in Fold()
1062       return ListInit::get(Args, LHSs->getElementType());  in Fold()
1076     StringInit *LHSs = dyn_cast<StringInit>(LHS);  in Fold()  local
1078     if (LHSs && RHSs)  in Fold()
1079       return ConcatStringInits(LHSs, RHSs);  in Fold()
1123     StringInit *LHSs = dyn_cast<StringInit>(LHS);  in Fold()  local
1126     if (LHSs && RHSs) {  in Fold()
1129       case EQ: Result = LHSs->getValue() == RHSs->getValue(); break;  in Fold()
1130       case NE: Result = LHSs->getValue() != RHSs->getValue(); break;  in Fold()
1131       case LE: Result = LHSs->getValue() <= RHSs->getValue(); break;  in Fold()
1132       case LT: Result = LHSs->getValue() <  RHSs->getValue(); break;  in Fold()
1133       case GE: Result = LHSs->getValue() >= RHSs->getValue(); break;  in Fold()
1134       case GT: Result = LHSs->getValue() >  RHSs->getValue(); break;  in Fold()
1354     StringInit *LHSs = dyn_cast<StringInit>(LHS);  in Fold()  local
1376     if (LHSs && MHSs && RHSs) {  in Fold()
1382         found = Val.find(std::string(LHSs->getValue()), idx);  in Fold()
1385         Val.replace(found, LHSs->getValue().size(),  in Fold()
1442     StringInit *LHSs = dyn_cast<StringInit>(LHS);  in Fold()  local
1445     if (LHSs && MHSi && RHSi) {  in Fold()
1446       int64_t StringSize = LHSs->getValue().size();  in Fold()
1456       return StringInit::get(RK, LHSs->getValue().substr(Start, Length),  in Fold()
1457                              LHSs->getFormat());  in Fold()
1463     StringInit *LHSs = dyn_cast<StringInit>(LHS);  in Fold()  local
1466     if (LHSs && MHSs && RHSi) {  in Fold()
1467       int64_t SourceSize = LHSs->getValue().size();  in Fold()
1474       auto I = LHSs->getValue().find(MHSs->getValue(), Start);  in Fold()