}
/// Adding features.
-void SubtargetFeatures::AddFeature(StringRef String) {
- // Don't add empty features or features we already have.
+void SubtargetFeatures::AddFeature(StringRef String, bool Enable) {
+ // Don't add empty features.
if (!String.empty())
// Convert to lowercase, prepend flag if we don't already have a flag.
- Features.push_back(hasFlag(String) ? String.str() : "+" + String.lower());
+ Features.push_back(hasFlag(String) ? String.lower()
+ : (Enable ? "+" : "-") + String.lower());
}
/// Find KV in array using binary search.