FT->getReturnType() != FT->getParamType(0))
return 0;
- std::string S1, S2;
- bool HasS1 = GetConstantStringInfo(CI->getArgOperand(0), S1);
- bool HasS2 = GetConstantStringInfo(CI->getArgOperand(1), S2);
+ StringRef S1, S2;
+ bool HasS1 = getConstantStringInfo(CI->getArgOperand(0), S1);
+ bool HasS2 = getConstantStringInfo(CI->getArgOperand(1), S2);
// strpbrk(s, "") -> NULL
// strpbrk("", s) -> NULL
}
// See if either input string is a constant string.
- std::string SearchStr, ToFindStr;
- bool HasStr1 = GetConstantStringInfo(CI->getArgOperand(0), SearchStr);
- bool HasStr2 = GetConstantStringInfo(CI->getArgOperand(1), ToFindStr);
+ StringRef SearchStr, ToFindStr;
+ bool HasStr1 = getConstantStringInfo(CI->getArgOperand(0), SearchStr);
+ bool HasStr2 = getConstantStringInfo(CI->getArgOperand(1), ToFindStr);
// fold strstr(x, "") -> x.
if (HasStr2 && ToFindStr.empty())
if (HasStr1 && HasStr2) {
std::string::size_type Offset = SearchStr.find(ToFindStr);
- if (Offset == std::string::npos) // strstr("foo", "bar") -> null
+ if (Offset == StringRef::npos) // strstr("foo", "bar") -> null
return Constant::getNullValue(CI->getType());
// strstr("abcd", "bc") -> gep((char*)"abcd", 1)