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Make the split function use StringRef::split.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208723 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-05-13 19:55:17 +00:00
parent 3e18feedfd
commit e02c34ba2a
1 changed files with 3 additions and 19 deletions
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22
lib/MC/SubtargetFeature.cpp
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@ -54,25 +54,9 @@ static inline bool isEnabled(const StringRef Feature) {
/// Split - Splits a string of comma separated items in to a vector of strings. /// Split - Splits a string of comma separated items in to a vector of strings.
/// ///
static void Split(std::vector<std::string> &V, const StringRef S) { static void Split(std::vector<std::string> &V, const StringRef S) {
if (S.empty()) SmallVector<StringRef, 2> Tmp;
return; S.split(Tmp, ",", -1, false /* KeepEmpty */);
V.assign(Tmp.begin(), Tmp.end());
// Start at beginning of string.
size_t Pos = 0;
while (true) {
// Find the next comma
size_t Comma = S.find(',', Pos);
// If no comma found then the rest of the string is used
if (Comma == std::string::npos) {
// Add string to vector
V.push_back(S.substr(Pos));
break;
}
// Otherwise add substring to vector
V.push_back(S.substr(Pos, Comma - Pos));
// Advance to next item
Pos = Comma + 1;
}
} }
/// Join a vector of strings to a string with a comma separating each element. /// Join a vector of strings to a string with a comma separating each element.