mirror of
https://github.com/c64scene-ar/llvm-6502.git
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Remove old header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92378 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1,516 +0,0 @@
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//=- Deserialize.h - Generic Object Deserialization from Bitcode --*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the interface for generic object deserialization from
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// LLVM bitcode.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BITCODE_SERIALIZE_INPUT
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#define LLVM_BITCODE_SERIALIZE_INPUT
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#include "llvm/Bitcode/BitstreamReader.h"
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#include "llvm/Bitcode/Serialization.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/Allocator.h"
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#include "llvm/System/DataTypes.h"
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#include <vector>
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namespace llvm {
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struct BPNode {
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BPNode* Next;
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uintptr_t& PtrRef;
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BPNode(BPNode* n, uintptr_t& pref)
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: Next(n), PtrRef(pref) {
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PtrRef = 0;
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}
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};
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struct BPEntry {
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union { BPNode* Head; void* Ptr; };
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BPEntry() : Head(NULL) {}
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void SetPtr(BPNode*& FreeList, void* P);
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};
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class BPKey {
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unsigned Raw;
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public:
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BPKey(SerializedPtrID PtrId) : Raw(PtrId << 1) { assert (PtrId > 0); }
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BPKey(unsigned code, unsigned) : Raw(code) {}
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void MarkFinal() { Raw |= 0x1; }
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bool hasFinalPtr() const { return Raw & 0x1 ? true : false; }
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SerializedPtrID getID() const { return Raw >> 1; }
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static inline BPKey getEmptyKey() { return BPKey(0,0); }
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static inline BPKey getTombstoneKey() { return BPKey(1,0); }
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static inline unsigned getHashValue(const BPKey& K) { return K.Raw & ~0x1; }
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static bool isEqual(const BPKey& K1, const BPKey& K2) {
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return (K1.Raw ^ K2.Raw) & ~0x1 ? false : true;
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}
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};
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template <>
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struct isPodLike<BPKey> { static const bool value = true; };
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template <>
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struct isPodLike<BPEntry> { static const bool value = true; };
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class Deserializer {
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//===----------------------------------------------------------===//
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// Internal type definitions.
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//===----------------------------------------------------------===//
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typedef llvm::DenseMap<BPKey,BPEntry,BPKey,BPEntry> MapTy;
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//===----------------------------------------------------------===//
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// Publicly visible types.
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//===----------------------------------------------------------===//
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public:
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struct Location {
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uint64_t BitNo;
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unsigned BlockID;
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unsigned NumWords;
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Location(uint64_t bit, unsigned bid, unsigned words)
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: BitNo(bit), BlockID(bid), NumWords(words) {}
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Location() : BitNo(0), BlockID(0), NumWords(0) {}
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Location& operator=(Location& RHS) {
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BitNo = RHS.BitNo;
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BlockID = RHS.BlockID;
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NumWords = RHS.NumWords;
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return *this;
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}
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bool operator==(const Location& RHS) const { return BitNo == RHS.BitNo; }
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bool operator!=(const Location& RHS) const { return BitNo != RHS.BitNo; }
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bool contains(const Location& RHS) const {
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if (RHS.BitNo < BitNo)
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return false;
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if ((RHS.BitNo - BitNo) >> 5 < NumWords)
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return true;
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return false;
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}
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};
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//===----------------------------------------------------------===//
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// Internal data members.
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//===----------------------------------------------------------===//
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private:
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BitstreamCursor Stream;
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SmallVector<uint64_t,20> Record;
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unsigned RecIdx;
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BumpPtrAllocator Allocator;
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BPNode* FreeList;
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MapTy BPatchMap;
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llvm::SmallVector<Location,8> BlockStack;
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unsigned AbbrevNo;
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unsigned RecordCode;
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uint64_t StreamStart;
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//===----------------------------------------------------------===//
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// Public Interface.
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//===----------------------------------------------------------===//
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public:
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Deserializer(BitstreamReader& stream);
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~Deserializer();
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uint64_t ReadInt();
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int64_t ReadSInt();
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SerializedPtrID ReadPtrID() { return (SerializedPtrID) ReadInt(); }
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bool ReadBool() {
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return ReadInt() ? true : false;
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}
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template <typename T>
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inline T& Read(T& X) {
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SerializeTrait<T>::Read(*this,X);
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return X;
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}
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template <typename T>
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inline T* Create() {
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return SerializeTrait<T>::Create(*this);
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}
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char* ReadCStr(char* cstr = NULL, unsigned MaxLen=0, bool isNullTerm=true);
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void ReadCStr(std::vector<char>& buff, bool isNullTerm=false, unsigned Idx=0);
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template <typename T>
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inline T* ReadOwnedPtr(bool AutoRegister = true) {
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SerializedPtrID PtrID = ReadPtrID();
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if (!PtrID)
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return NULL;
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T* x = SerializeTrait<T>::Create(*this);
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if (AutoRegister)
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RegisterPtr(PtrID,x);
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return x;
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}
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template <typename T, typename Arg1>
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inline T* ReadOwnedPtr(Arg1& arg1, bool AutoRegister = true) {
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SerializedPtrID PtrID = ReadPtrID();
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if (!PtrID)
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return NULL;
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T* x = SerializeTrait<T>::Create(*this, arg1);
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if (AutoRegister)
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RegisterPtr(PtrID,x);
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return x;
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}
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template <typename T>
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inline void ReadOwnedPtr(T*& Ptr, bool AutoRegister = true) {
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Ptr = ReadOwnedPtr<T>(AutoRegister);
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}
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template <typename T1, typename T2>
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void BatchReadOwnedPtrs(T1*& P1, T2*& P2,
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bool A1=true, bool A2=true) {
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SerializedPtrID ID1 = ReadPtrID();
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SerializedPtrID ID2 = ReadPtrID();
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P1 = (ID1) ? SerializeTrait<T1>::Create(*this) : NULL;
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if (ID1 && A1) RegisterPtr(ID1,P1);
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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}
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template <typename T1, typename T2, typename Arg1>
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void BatchReadOwnedPtrs(T1*& P1, T2*& P2, Arg1& arg1,
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bool A1=true, bool A2=true) {
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SerializedPtrID ID1 = ReadPtrID();
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SerializedPtrID ID2 = ReadPtrID();
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P1 = (ID1) ? SerializeTrait<T1>::Create(*this, arg1) : NULL;
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if (ID1 && A1) RegisterPtr(ID1,P1);
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this, arg1) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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}
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template <typename T1, typename T2, typename T3>
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void BatchReadOwnedPtrs(T1*& P1, T2*& P2, T3*& P3,
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bool A1=true, bool A2=true, bool A3=true) {
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SerializedPtrID ID1 = ReadPtrID();
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SerializedPtrID ID2 = ReadPtrID();
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SerializedPtrID ID3 = ReadPtrID();
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P1 = (ID1) ? SerializeTrait<T1>::Create(*this) : NULL;
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if (ID1 && A1) RegisterPtr(ID1,P1);
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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P3 = (ID3) ? SerializeTrait<T3>::Create(*this) : NULL;
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if (ID3 && A3) RegisterPtr(ID3,P3);
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}
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template <typename T1, typename T2, typename T3, typename Arg1>
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void BatchReadOwnedPtrs(T1*& P1, T2*& P2, T3*& P3, Arg1& arg1,
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bool A1=true, bool A2=true, bool A3=true) {
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SerializedPtrID ID1 = ReadPtrID();
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SerializedPtrID ID2 = ReadPtrID();
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SerializedPtrID ID3 = ReadPtrID();
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P1 = (ID1) ? SerializeTrait<T1>::Create(*this, arg1) : NULL;
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if (ID1 && A1) RegisterPtr(ID1,P1);
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this, arg1) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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P3 = (ID3) ? SerializeTrait<T3>::Create(*this, arg1) : NULL;
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if (ID3 && A3) RegisterPtr(ID3,P3);
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}
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template <typename T>
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void BatchReadOwnedPtrs(unsigned NumPtrs, T** Ptrs, bool AutoRegister=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumPtrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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for (unsigned i = 0; i < NumPtrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T* p = PtrID ? SerializeTrait<T>::Create(*this) : NULL;
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if (PtrID && AutoRegister)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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}
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template <typename T, typename Arg1>
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void BatchReadOwnedPtrs(unsigned NumPtrs, T** Ptrs, Arg1& arg1,
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bool AutoRegister=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumPtrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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for (unsigned i = 0; i < NumPtrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T* p = PtrID ? SerializeTrait<T>::Create(*this, arg1) : NULL;
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if (PtrID && AutoRegister)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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}
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template <typename T1, typename T2>
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void BatchReadOwnedPtrs(unsigned NumT1Ptrs, T1** Ptrs, T2*& P2,
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bool A1=true, bool A2=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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SerializedPtrID ID2 = ReadPtrID();
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for (unsigned i = 0; i < NumT1Ptrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T1* p = PtrID ? SerializeTrait<T1>::Create(*this) : NULL;
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if (PtrID && A1)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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}
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template <typename T1, typename T2, typename Arg1>
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void BatchReadOwnedPtrs(unsigned NumT1Ptrs, T1** Ptrs, T2*& P2, Arg1& arg1,
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bool A1=true, bool A2=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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SerializedPtrID ID2 = ReadPtrID();
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for (unsigned i = 0; i < NumT1Ptrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T1* p = PtrID ? SerializeTrait<T1>::Create(*this, arg1) : NULL;
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if (PtrID && A1)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this, arg1) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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}
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template <typename T1, typename T2, typename T3>
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void BatchReadOwnedPtrs(unsigned NumT1Ptrs, T1** Ptrs,
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T2*& P2, T3*& P3,
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bool A1=true, bool A2=true, bool A3=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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SerializedPtrID ID2 = ReadPtrID();
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SerializedPtrID ID3 = ReadPtrID();
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for (unsigned i = 0; i < NumT1Ptrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T1* p = PtrID ? SerializeTrait<T1>::Create(*this) : NULL;
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if (PtrID && A1)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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P3 = (ID3) ? SerializeTrait<T3>::Create(*this) : NULL;
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if (ID3 && A3) RegisterPtr(ID3,P3);
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}
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template <typename T1, typename T2, typename T3, typename Arg1>
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void BatchReadOwnedPtrs(unsigned NumT1Ptrs, T1** Ptrs,
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T2*& P2, T3*& P3, Arg1& arg1,
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bool A1=true, bool A2=true, bool A3=true) {
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llvm::SmallVector<SerializedPtrID,10> BatchIDVec;
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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BatchIDVec.push_back(ReadPtrID());
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SerializedPtrID ID2 = ReadPtrID();
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SerializedPtrID ID3 = ReadPtrID();
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for (unsigned i = 0; i < NumT1Ptrs; ++i) {
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SerializedPtrID& PtrID = BatchIDVec[i];
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T1* p = PtrID ? SerializeTrait<T1>::Create(*this, arg1) : NULL;
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if (PtrID && A1)
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RegisterPtr(PtrID,p);
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Ptrs[i] = p;
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}
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P2 = (ID2) ? SerializeTrait<T2>::Create(*this, arg1) : NULL;
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if (ID2 && A2) RegisterPtr(ID2,P2);
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P3 = (ID3) ? SerializeTrait<T3>::Create(*this, arg1) : NULL;
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if (ID3 && A3) RegisterPtr(ID3,P3);
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}
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template <typename T>
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void ReadPtr(T*& PtrRef, bool AllowBackpatch = true) {
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ReadUIntPtr(reinterpret_cast<uintptr_t&>(PtrRef), AllowBackpatch);
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}
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template <typename T>
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void ReadPtr(const T*& PtrRef, bool AllowBackpatch = true) {
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ReadPtr(const_cast<T*&>(PtrRef), AllowBackpatch);
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}
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template <typename T>
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void ReadPtr(T*& PtrRef, const SerializedPtrID& PtrID,
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bool AllowBackpatch = true) {
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ReadUIntPtr(reinterpret_cast<uintptr_t&>(PtrRef), PtrID, AllowBackpatch);
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}
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template <typename T>
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void ReadPtr(const T*& PtrRef, const SerializedPtrID& PtrID,
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bool AllowBackpatch = true) {
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ReadPtr(const_cast<T*&>(PtrRef), PtrID, AllowBackpatch);
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}
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template <typename T>
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T* ReadPtr() { T* x = 0; ReadPtr<T>(x,false); return x; }
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void ReadUIntPtr(uintptr_t& PtrRef, const SerializedPtrID& PtrID,
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bool AllowBackpatch = true);
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void ReadUIntPtr(uintptr_t& PtrRef, bool AllowBackpatch = true) {
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ReadUIntPtr(PtrRef,ReadPtrID(),AllowBackpatch);
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}
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template <typename T>
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T& ReadRef() {
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T* p = reinterpret_cast<T*>(ReadInternalRefPtr());
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return *p;
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}
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void RegisterPtr(const SerializedPtrID& PtrID, const void* Ptr);
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void RegisterPtr(const void* Ptr) {
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RegisterPtr(ReadPtrID(),Ptr);
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}
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template<typename T>
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void RegisterRef(const T& x) {
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RegisterPtr(&x);
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}
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template<typename T>
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void RegisterRef(const SerializedPtrID& PtrID, const T& x) {
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RegisterPtr(PtrID,&x);
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}
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Location getCurrentBlockLocation();
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unsigned getCurrentBlockID();
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unsigned getAbbrevNo();
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bool FinishedBlock(Location BlockLoc);
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bool JumpTo(const Location& BlockLoc);
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void Rewind();
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bool AtEnd();
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bool inRecord();
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void SkipBlock();
|
||||
bool SkipToBlock(unsigned BlockID);
|
||||
|
||||
unsigned getRecordCode();
|
||||
|
||||
BitstreamCursor &getStream() { return Stream; }
|
||||
|
||||
private:
|
||||
bool AdvanceStream();
|
||||
void ReadRecord();
|
||||
|
||||
uintptr_t ReadInternalRefPtr();
|
||||
|
||||
static inline bool HasFinalPtr(MapTy::value_type& V) {
|
||||
return V.first.hasFinalPtr();
|
||||
}
|
||||
|
||||
static inline uintptr_t GetFinalPtr(MapTy::value_type& V) {
|
||||
return reinterpret_cast<uintptr_t>(V.second.Ptr);
|
||||
}
|
||||
|
||||
static inline BPNode* GetBPNode(MapTy::value_type& V) {
|
||||
return V.second.Head;
|
||||
}
|
||||
|
||||
static inline void SetBPNode(MapTy::value_type& V, BPNode* N) {
|
||||
V.second.Head = N;
|
||||
}
|
||||
|
||||
void SetPtr(MapTy::value_type& V, const void* P) {
|
||||
V.first.MarkFinal();
|
||||
V.second.SetPtr(FreeList,const_cast<void*>(P));
|
||||
}
|
||||
};
|
||||
|
||||
} // end namespace llvm
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user