diff options
Diffstat (limited to 'include/llvm/Bitcode/Deserialize.h')
-rw-r--r-- | include/llvm/Bitcode/Deserialize.h | 81 |
1 files changed, 40 insertions, 41 deletions
diff --git a/include/llvm/Bitcode/Deserialize.h b/include/llvm/Bitcode/Deserialize.h index 90a5141..3266038 100644 --- a/include/llvm/Bitcode/Deserialize.h +++ b/include/llvm/Bitcode/Deserialize.h @@ -25,53 +25,52 @@ namespace llvm { +struct BPNode { + BPNode* Next; + uintptr_t& PtrRef; + + BPNode(BPNode* n, uintptr_t& pref) + : Next(n), PtrRef(pref) { + PtrRef = 0; + } +}; + +struct BPEntry { + union { BPNode* Head; void* Ptr; }; + BPEntry() : Head(NULL) {} + void SetPtr(BPNode*& FreeList, void* P); +}; + +class BPKey { + unsigned Raw; +public: + BPKey(SerializedPtrID PtrId) : Raw(PtrId << 1) { assert (PtrId > 0); } + BPKey(unsigned code, unsigned) : Raw(code) {} + + void MarkFinal() { Raw |= 0x1; } + bool hasFinalPtr() const { return Raw & 0x1 ? true : false; } + SerializedPtrID getID() const { return Raw >> 1; } + + static inline BPKey getEmptyKey() { return BPKey(0,0); } + static inline BPKey getTombstoneKey() { return BPKey(1,0); } + static inline unsigned getHashValue(const BPKey& K) { return K.Raw & ~0x1; } + + static bool isEqual(const BPKey& K1, const BPKey& K2) { + return (K1.Raw ^ K2.Raw) & ~0x1 ? false : true; + } +}; + +template <> +struct isPodLike<BPKey> { static const bool value = true; }; +template <> +struct isPodLike<BPEntry> { static const bool value = true; }; + class Deserializer { //===----------------------------------------------------------===// // Internal type definitions. //===----------------------------------------------------------===// - struct BPNode { - BPNode* Next; - uintptr_t& PtrRef; - - BPNode(BPNode* n, uintptr_t& pref) - : Next(n), PtrRef(pref) { - PtrRef = 0; - } - }; - - struct BPEntry { - union { BPNode* Head; void* Ptr; }; - - BPEntry() : Head(NULL) {} - - static inline bool isPod() { return true; } - - void SetPtr(BPNode*& FreeList, void* P); - }; - - class BPKey { - unsigned Raw; - - public: - BPKey(SerializedPtrID PtrId) : Raw(PtrId << 1) { assert (PtrId > 0); } - BPKey(unsigned code, unsigned) : Raw(code) {} - - void MarkFinal() { Raw |= 0x1; } - bool hasFinalPtr() const { return Raw & 0x1 ? true : false; } - SerializedPtrID getID() const { return Raw >> 1; } - - static inline BPKey getEmptyKey() { return BPKey(0,0); } - static inline BPKey getTombstoneKey() { return BPKey(1,0); } - static inline unsigned getHashValue(const BPKey& K) { return K.Raw & ~0x1; } - - static bool isEqual(const BPKey& K1, const BPKey& K2) { - return (K1.Raw ^ K2.Raw) & ~0x1 ? false : true; - } - - static bool isPod() { return true; } - }; typedef llvm::DenseMap<BPKey,BPEntry,BPKey,BPEntry> MapTy; |