namespace llvm {
class GlobalValue;
+class StringRef;
class TargetMachine;
class SystemZSubtarget : public SystemZGenSubtargetInfo {
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
- void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+ void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
bool isZ10() const { return HasZ10Insts; }