421   uint64_t SrcLen = GetStringLength(Src);  in optimizeStrNCat()  local
422   if (SrcLen) {  in optimizeStrNCat()
423     annotateDereferenceableBytes(CI, 1, SrcLen);  in optimizeStrNCat()
424     --SrcLen; // Unbias length.  in optimizeStrNCat()
430   if (SrcLen == 0)  in optimizeStrNCat()
434   if (Len < SrcLen)  in optimizeStrNCat()
439   return copyFlags(*CI, emitStrLenMemCpy(Src, Dst, SrcLen, B));  in optimizeStrNCat()
693   uint64_t SrcLen = GetStringLength(Src);  in optimizeStrNDup()  local
694   if (SrcLen && Size) {  in optimizeStrNDup()
695     annotateDereferenceableBytes(CI, 0, SrcLen);  in optimizeStrNDup()
696     if (SrcLen <= Size->getZExtValue() + 1)  in optimizeStrNDup()
793   uint64_t SrcLen = Str.find('\0');  in optimizeStrLCpy()  local
796   bool NulTerm = SrcLen < NBytes;  in optimizeStrLCpy()
801     NBytes = SrcLen + 1;  in optimizeStrLCpy()
805     SrcLen = std::min(SrcLen, uint64_t(Str.size()));  in optimizeStrLCpy()
806     NBytes = std::min(NBytes - 1, SrcLen);  in optimizeStrLCpy()
809   if (SrcLen == 0) {  in optimizeStrLCpy()
833   return ConstantInt::get(CI->getType(), SrcLen);  in optimizeStrLCpy()
880   uint64_t SrcLen = GetStringLength(Src);  in optimizeStringNCpy()  local
881   if (SrcLen)  in optimizeStringNCpy()
882     annotateDereferenceableBytes(CI, 1, SrcLen);  in optimizeStringNCpy()
886   --SrcLen; // Unbias length.  in optimizeStringNCpy()
888   if (SrcLen == 0) {  in optimizeStringNCpy()
900   if (N > SrcLen + 1) {  in optimizeStringNCpy()
927   Value *Off = B.getInt64(std::min(SrcLen, N));  in optimizeStringNCpy()
3332     uint64_t SrcLen = GetStringLength(CI->getArgOperand(2));  in optimizeSPrintFString()  local
3333     if (SrcLen) {  in optimizeSPrintFString()
3336           ConstantInt::get(DL.getIntPtrType(CI->getContext()), SrcLen));  in optimizeSPrintFString()
3338       return ConstantInt::get(CI->getType(), SrcLen - 1);  in optimizeSPrintFString()