21 static UTF32 chopOneUTF32(StringRef &Buffer) {  in chopOneUTF32()  argument
24       reinterpret_cast<const UTF8 *>(Buffer.begin());  in chopOneUTF32()
30   assert(!Buffer.empty());  in chopOneUTF32()
31   ConvertUTF8toUTF32(&Begin8, reinterpret_cast<const UTF8 *>(Buffer.end()),  in chopOneUTF32()
33   Buffer = Buffer.drop_front(Begin8 - Begin8Const);  in chopOneUTF32()
60 static std::optional<uint32_t> fastCaseFoldingDjbHash(StringRef Buffer,  in fastCaseFoldingDjbHash()  argument
63   for (unsigned char C : Buffer) {  in fastCaseFoldingDjbHash()
72 uint32_t llvm::caseFoldingDjbHash(StringRef Buffer, uint32_t H) {  in caseFoldingDjbHash()  argument
73   if (std::optional<uint32_t> Result = fastCaseFoldingDjbHash(Buffer, H))  in caseFoldingDjbHash()
77   while (!Buffer.empty()) {  in caseFoldingDjbHash()
78     UTF32 C = foldCharDwarf(chopOneUTF32(Buffer));  in caseFoldingDjbHash()