lib/Sema/SemaChecking.cpp

149   StringLiteral *Literal = dyn_cast<StringLiteral>(StrArg);
150   if (!Literal || !Literal->isAscii()) {
171     auto *Literal = dyn_cast<StringLiteral>(Arg->IgnoreParenCasts());
172     if (!Literal || !Literal->isWide()) {
5844   StringLiteral *Literal = dyn_cast<StringLiteral>(Arg);
5846   if (!Literal || !Literal->isAscii()) {
5852   if (Literal->containsNonAsciiOrNull()) {
5853     StringRef String = Literal->getString();
5874   auto *Literal = dyn_cast<StringLiteral>(Arg);
5875   if (!Literal) {
5877       Literal = ObjcLiteral->getString();
5881   if (!Literal || (!Literal->isAscii() && !Literal->isUTF8())) {
5887   ExprResult Result(Literal);
7648     // Literal format string found, check done!