-namespace llvm {
- template<>
- struct DenseMapInfo<LVIValueHandle> {
- typedef DenseMapInfo<Value*> PointerInfo;
- static inline LVIValueHandle getEmptyKey() {
- return LVIValueHandle(PointerInfo::getEmptyKey(),
- static_cast<LazyValueInfoCache*>(0));
- }
- static inline LVIValueHandle getTombstoneKey() {
- return LVIValueHandle(PointerInfo::getTombstoneKey(),
- static_cast<LazyValueInfoCache*>(0));
- }
- static unsigned getHashValue(const LVIValueHandle &Val) {
- return PointerInfo::getHashValue(Val);
- }
- static bool isEqual(const LVIValueHandle &LHS, const LVIValueHandle &RHS) {
- return LHS == RHS;
- }
- };
-
- template<>
- struct DenseMapInfo<std::pair<AssertingVH<BasicBlock>, Value*> > {
- typedef std::pair<AssertingVH<BasicBlock>, Value*> PairTy;
- typedef DenseMapInfo<AssertingVH<BasicBlock> > APointerInfo;
- typedef DenseMapInfo<Value*> BPointerInfo;
- static inline PairTy getEmptyKey() {
- return std::make_pair(APointerInfo::getEmptyKey(),
- BPointerInfo::getEmptyKey());
- }
- static inline PairTy getTombstoneKey() {
- return std::make_pair(APointerInfo::getTombstoneKey(),
- BPointerInfo::getTombstoneKey());
- }
- static unsigned getHashValue( const PairTy &Val) {
- return APointerInfo::getHashValue(Val.first) ^
- BPointerInfo::getHashValue(Val.second);
- }
- static bool isEqual(const PairTy &LHS, const PairTy &RHS) {
- return APointerInfo::isEqual(LHS.first, RHS.first) &&
- BPointerInfo::isEqual(LHS.second, RHS.second);