2372   StringRef FormatStr;  in optimizePrintFString()  local
2373   if (!getConstantStringInfo(CI->getArgOperand(0), FormatStr))  in optimizePrintFString()
2377   if (FormatStr.empty()) // Tolerate printf's declared void.  in optimizePrintFString()
2387   if (FormatStr.size() == 1 || FormatStr == "%%")  in optimizePrintFString()
2388     return emitPutChar(B.getInt32(FormatStr[0]), B, TLI);  in optimizePrintFString()
2391   if (FormatStr == "%s" && CI->getNumArgOperands() > 1) {  in optimizePrintFString()
2401   if (FormatStr[FormatStr.size() - 1] == '\n' &&  in optimizePrintFString()
2402       FormatStr.find('%') == StringRef::npos) { // No format characters.  in optimizePrintFString()
2405     FormatStr = FormatStr.drop_back();  in optimizePrintFString()
2406     Value *GV = B.CreateGlobalString(FormatStr, "str");  in optimizePrintFString()
2412   if (FormatStr == "%c" && CI->getNumArgOperands() > 1 &&  in optimizePrintFString()
2417   if (FormatStr == "%s\n" && CI->getNumArgOperands() > 1 &&  in optimizePrintFString()
2463   StringRef FormatStr;  in optimizeSPrintFString()  local
2464   if (!getConstantStringInfo(CI->getArgOperand(1), FormatStr))  in optimizeSPrintFString()
2471     if (FormatStr.find('%') != StringRef::npos)  in optimizeSPrintFString()
2478                          FormatStr.size() + 1)); // Copy the null byte.  in optimizeSPrintFString()
2479     return ConstantInt::get(CI->getType(), FormatStr.size());  in optimizeSPrintFString()
2484   if (FormatStr.size() != 2 || FormatStr[0] != '%' ||  in optimizeSPrintFString()
2489   if (FormatStr[1] == 'c') {  in optimizeSPrintFString()
2502   if (FormatStr[1] == 's') {  in optimizeSPrintFString()
2591   StringRef FormatStr;  in optimizeSnPrintFString()  local
2592   if (!getConstantStringInfo(CI->getArgOperand(2), FormatStr))  in optimizeSnPrintFString()
2599     if (FormatStr.find('%') != StringRef::npos)  in optimizeSnPrintFString()
2603       return ConstantInt::get(CI->getType(), FormatStr.size());  in optimizeSnPrintFString()
2604     else if (N < FormatStr.size() + 1)  in optimizeSnPrintFString()
2612                          FormatStr.size() + 1)); // Copy the null byte.  in optimizeSnPrintFString()
2613     return ConstantInt::get(CI->getType(), FormatStr.size());  in optimizeSnPrintFString()
2618   if (FormatStr.size() == 2 && FormatStr[0] == '%' &&  in optimizeSnPrintFString()
2622     if (FormatStr[1] == 'c') {  in optimizeSnPrintFString()
2640     if (FormatStr[1] == 's') {  in optimizeSnPrintFString()
2676   StringRef FormatStr;  in optimizeFPrintFString()  local
2677   if (!getConstantStringInfo(CI->getArgOperand(1), FormatStr))  in optimizeFPrintFString()
2689     if (FormatStr.find('%') != StringRef::npos)  in optimizeFPrintFString()
2694         ConstantInt::get(DL.getIntPtrType(CI->getContext()), FormatStr.size()),  in optimizeFPrintFString()
2700   if (FormatStr.size() != 2 || FormatStr[0] != '%' ||  in optimizeFPrintFString()
2705   if (FormatStr[1] == 'c') {  in optimizeFPrintFString()
2712   if (FormatStr[1] == 's') {  in optimizeFPrintFString()