#define LLVM_IR_VALUEMAP_H
#include "llvm/ADT/DenseMap.h"
+#include "llvm/IR/TrackingMDRef.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/UniqueLock.h"
#include "llvm/Support/type_traits.h"
#include <iterator>
+#include <memory>
namespace llvm {
friend class ValueMapCallbackVH<KeyT, ValueT, Config>;
typedef ValueMapCallbackVH<KeyT, ValueT, Config> ValueMapCVH;
typedef DenseMap<ValueMapCVH, ValueT, DenseMapInfo<ValueMapCVH> > MapT;
+ typedef DenseMap<const Metadata *, TrackingMDRef> MDMapT;
typedef typename Config::ExtraData ExtraData;
MapT Map;
+ std::unique_ptr<MDMapT> MDMap;
ExtraData Data;
- ValueMap(const ValueMap&) LLVM_DELETED_FUNCTION;
- ValueMap& operator=(const ValueMap&) LLVM_DELETED_FUNCTION;
+ ValueMap(const ValueMap&) = delete;
+ ValueMap& operator=(const ValueMap&) = delete;
public:
typedef KeyT key_type;
typedef ValueT mapped_type;
typedef unsigned size_type;
explicit ValueMap(unsigned NumInitBuckets = 64)
- : Map(NumInitBuckets), Data() {}
+ : Map(NumInitBuckets), Data() {}
explicit ValueMap(const ExtraData &Data, unsigned NumInitBuckets = 64)
- : Map(NumInitBuckets), Data(Data) {}
+ : Map(NumInitBuckets), Data(Data) {}
- ~ValueMap() {}
+ bool hasMD() const { return MDMap; }
+ MDMapT &MD() {
+ if (!MDMap)
+ MDMap.reset(new MDMapT);
+ return *MDMap;
+ }
typedef ValueMapIterator<MapT, KeyT> iterator;
typedef ValueMapConstIterator<MapT, KeyT> const_iterator;
/// Grow the map so that it has at least Size buckets. Does not shrink
void resize(size_t Size) { Map.resize(Size); }
- void clear() { Map.clear(); }
+ void clear() {
+ Map.clear();
+ MDMap.reset();
+ }
/// Return 1 if the specified key is in the map, 0 otherwise.
size_type count(const KeyT &Val) const {
// If the key is already in the map, it returns false and doesn't update the
// value.
std::pair<iterator, bool> insert(const std::pair<KeyT, ValueT> &KV) {
- std::pair<typename MapT::iterator, bool> map_result=
- Map.insert(std::make_pair(Wrap(KV.first), KV.second));
- return std::make_pair(iterator(map_result.first), map_result.second);
+ auto MapResult = Map.insert(std::make_pair(Wrap(KV.first), KV.second));
+ return std::make_pair(iterator(MapResult.first), MapResult.second);
+ }
+
+ std::pair<iterator, bool> insert(std::pair<KeyT, ValueT> &&KV) {
+ auto MapResult =
+ Map.insert(std::make_pair(Wrap(KV.first), std::move(KV.second)));
+ return std::make_pair(iterator(MapResult.first), MapResult.second);
}
/// insert - Range insertion of pairs.
// This CallbackVH updates its ValueMap when the contained Value changes,
// according to the user's preferences expressed through the Config object.
-template<typename KeyT, typename ValueT, typename Config>
-class ValueMapCallbackVH : public CallbackVH {
+template <typename KeyT, typename ValueT, typename Config>
+class ValueMapCallbackVH final : public CallbackVH {
friend class ValueMap<KeyT, ValueT, Config>;
friend struct DenseMapInfo<ValueMapCallbackVH>;
typedef ValueMap<KeyT, ValueT, Config> ValueMapT;
: CallbackVH(const_cast<Value*>(static_cast<const Value*>(Key))),
Map(Map) {}
+ // Private constructor used to create empty/tombstone DenseMap keys.
+ ValueMapCallbackVH(Value *V) : CallbackVH(V), Map(nullptr) {}
+
public:
KeyT Unwrap() const { return cast_or_null<KeySansPointerT>(getValPtr()); }
// I could == Copy.Map->Map.end() if the onRAUW callback already
// removed the old mapping.
if (I != Copy.Map->Map.end()) {
- ValueT Target(I->second);
+ ValueT Target(std::move(I->second));
Copy.Map->Map.erase(I); // Definitely destroys *this.
- Copy.Map->insert(std::make_pair(typed_new_key, Target));
+ Copy.Map->insert(std::make_pair(typed_new_key, std::move(Target)));
}
}
}
template<typename KeyT, typename ValueT, typename Config>
struct DenseMapInfo<ValueMapCallbackVH<KeyT, ValueT, Config> > {
typedef ValueMapCallbackVH<KeyT, ValueT, Config> VH;
- typedef DenseMapInfo<KeyT> PointerInfo;
static inline VH getEmptyKey() {
- return VH(PointerInfo::getEmptyKey(), nullptr);
+ return VH(DenseMapInfo<Value *>::getEmptyKey());
}
static inline VH getTombstoneKey() {
- return VH(PointerInfo::getTombstoneKey(), nullptr);
+ return VH(DenseMapInfo<Value *>::getTombstoneKey());
}
static unsigned getHashValue(const VH &Val) {
- return PointerInfo::getHashValue(Val.Unwrap());
+ return DenseMapInfo<KeyT>::getHashValue(Val.Unwrap());
}
static unsigned getHashValue(const KeyT &Val) {
- return PointerInfo::getHashValue(Val);
+ return DenseMapInfo<KeyT>::getHashValue(Val);
}
static bool isEqual(const VH &LHS, const VH &RHS) {
return LHS == RHS;