unsigned CallFrameSetupOpcode, CallFrameDestroyOpcode;
};
+/// \brief Provide DenseMapInfo for TargetInstrInfo::RegSubRegPair.
+template<>
+struct DenseMapInfo<TargetInstrInfo::RegSubRegPair> {
+ typedef DenseMapInfo<unsigned> RegInfo;
+
+ static inline TargetInstrInfo::RegSubRegPair getEmptyKey() {
+ return TargetInstrInfo::RegSubRegPair(RegInfo::getEmptyKey(),
+ RegInfo::getEmptyKey());
+ }
+ static inline TargetInstrInfo::RegSubRegPair getTombstoneKey() {
+ return TargetInstrInfo::RegSubRegPair(RegInfo::getTombstoneKey(),
+ RegInfo::getTombstoneKey());
+ }
+ /// \brief Reuse getHashValue implementation from
+ /// std::pair<unsigned, unsigned>.
+ static unsigned getHashValue(const TargetInstrInfo::RegSubRegPair &Val) {
+ std::pair<unsigned, unsigned> PairVal =
+ std::make_pair(Val.Reg, Val.SubReg);
+ return DenseMapInfo<std::pair<unsigned, unsigned>>::getHashValue(PairVal);
+ }
+ static bool isEqual(const TargetInstrInfo::RegSubRegPair &LHS,
+ const TargetInstrInfo::RegSubRegPair &RHS) {
+ return RegInfo::isEqual(LHS.Reg, RHS.Reg) &&
+ RegInfo::isEqual(LHS.SubReg, RHS.SubReg);
+ }
+};
+
} // End llvm namespace
#endif