459   Value *SrcStr = CI->getArgOperand(0);  in optimizeStrChr()  local
463   if (isOnlyUsedInEqualityComparison(CI, SrcStr))  in optimizeStrChr()
470     uint64_t Len = GetStringLength(SrcStr);  in optimizeStrChr()
485                      emitMemChr(SrcStr, CharVal, // include nul.  in optimizeStrChr()
501   if (!getConstantStringInfo(SrcStr, Str)) {  in optimizeStrChr()
503       if (Value *StrLen = emitStrLen(SrcStr, B, DL, TLI))  in optimizeStrChr()
504         return B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr, StrLen, "strchr");  in optimizeStrChr()
517   return B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr, B.getInt64(I), "strchr");  in optimizeStrChr()
521   Value *SrcStr = CI->getArgOperand(0);  in optimizeStrRChr()  local
527   if (!getConstantStringInfo(SrcStr, Str)) {  in optimizeStrRChr()
530       return copyFlags(*CI, emitStrChr(SrcStr, '\0', B, TLI));  in optimizeStrRChr()
541   return copyFlags(*CI, emitMemRChr(SrcStr, CharVal, Size, B, DL, TLI));  in optimizeStrRChr()
900     std::string SrcStr = Str.str();  in optimizeStringNCpy()  local
903     SrcStr.resize(N, '\0');  in optimizeStringNCpy()
904     Src = B.CreateGlobalString(SrcStr, "str");  in optimizeStringNCpy()
1203   Value *SrcStr = CI->getArgOperand(0);  in optimizeMemRChr()  local
1218       Value *Val = B.CreateLoad(B.getInt8Ty(), SrcStr, "memrchr.char0");  in optimizeMemRChr()
1222       return B.CreateSelect(Cmp, SrcStr, NullPtr, "memrchr.sel");  in optimizeMemRChr()
1227   if (!getConstantStringInfo(SrcStr, Str, /*TrimAtNul=*/false))  in optimizeMemRChr()
1254       return B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr, B.getInt64(Pos));  in optimizeMemRChr()
1263       Value *SrcPlus = B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr,  in optimizeMemRChr()
1286       B.CreateInBoundsGEP(Int8Ty, SrcStr, SizeM1, "memrchr.ptr_plus");  in optimizeMemRChr()
1291   Value *SrcStr = CI->getArgOperand(0);  in optimizeMemChr()  local
1296     if (isOnlyUsedInEqualityComparison(CI, SrcStr))  in optimizeMemChr()
1313       Value *Val = B.CreateLoad(B.getInt8Ty(), SrcStr, "memchr.char0");  in optimizeMemChr()
1317       return B.CreateSelect(Cmp, SrcStr, NullPtr, "memchr.sel");  in optimizeMemChr()
1322   if (!getConstantStringInfo(SrcStr, Str, /*TrimAtNul=*/false))  in optimizeMemChr()
1337     Value *SrcPlus = B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr, B.getInt64(Pos),  in optimizeMemChr()
1377       Value *SrcPlus = B.CreateInBoundsGEP(B.getInt8Ty(), SrcStr, PosVal);  in optimizeMemChr()
1385     return B.CreateSelect(And, SrcStr, Sel1, "memchr.sel2");  in optimizeMemChr()
1389     if (isOnlyUsedInEqualityComparison(CI, SrcStr))  in optimizeMemChr()
1632   StringRef SrcStr;  in optimizeMemCCpy()  local
1639     if (!getConstantStringInfo(Src, SrcStr, /*TrimAtNul=*/false) ||  in optimizeMemCCpy()
1648   size_t Pos = SrcStr.find(StopChar->getSExtValue() & 0xFF);  in optimizeMemCCpy()
1650     if (N->getZExtValue() <= SrcStr.size()) {  in optimizeMemCCpy()