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Added versions of ReadPtr that takes an explicit SerializedPtrID. This allows

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clients of the Deserializer to read the pointer ID before they are ready
to deserialize the object (which can mean registering a pointer reference
with the backpatcher).

Changed some methods that took an argument "SerializedPtrID" to "const SerializedPtrID&" (pass-by-reference).  This is to accommodate a future
revision of SerializedPtrID where it may be much fatter than an unsigned
integer.

llvm-svn: 44021
This commit is contained in:
Ted Kremenek 2007-11-12 19:11:15 +00:00
parent 84faaa8d14
commit 960f531bbe
2 changed files with 27 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/llvm/Bitcode/Deserialize.h
View File

@ -240,10 +240,28 @@ public:
ReadPtr(const_cast<T*&>(PtrRef), AllowBackpatch);
}
template <typename T>
void ReadPtr(T*& PtrRef, const SerializedPtrID& PtrID, bool AllowBackpatch = true) {
ReadUIntPtr(reinterpret_cast<uintptr_t&>(PtrRef), PtrID, AllowBackpatch);
}
template <typename T>
void ReadPtr(const T*& PtrRef, const SerializedPtrID& PtrID,
bool AllowBackpatch = true) {
ReadPtr(const_cast<T*&>(PtrRef), PtrID, AllowBackpatch);
}
template <typename T>
T* ReadPtr() { T* x; ReadPtr<T>(x,false); return x; }
void ReadUIntPtr(uintptr_t& PtrRef, bool AllowBackpatch = true);
void ReadUIntPtr(uintptr_t& PtrRef, const SerializedPtrID& PtrID,
bool AllowBackpatch = true);
void ReadUIntPtr(uintptr_t& PtrRef, bool AllowBackpatch = true) {
ReadUIntPtr(PtrRef,ReadPtrID(),AllowBackpatch);
}
template <typename T>
T& ReadRef() {
@ -251,7 +269,7 @@ public:
return *p;
}
void RegisterPtr(SerializedPtrID PtrId, const void* Ptr);
void RegisterPtr(const SerializedPtrID& PtrID, const void* Ptr);
void RegisterPtr(const void* Ptr) {
RegisterPtr(ReadPtrID(),Ptr);
@ -263,7 +281,7 @@ public:
}
template<typename T>
void RegisterRef(SerializedPtrID PtrID, const T& x) {
void RegisterRef(const SerializedPtrID& PtrID, const T& x) {
RegisterPtr(PtrID,&x);
}

10
lib/Bitcode/Reader/Deserialize.cpp
View File

@ -324,7 +324,9 @@ void Deserializer::ReadCStr(std::vector<char>& buff, bool isNullTerm) {
buff.push_back('\0');
}
void Deserializer::RegisterPtr(SerializedPtrID PtrId, const void* Ptr) {
void Deserializer::RegisterPtr(const SerializedPtrID& PtrId,
const void* Ptr) {
MapTy::value_type& E = BPatchMap.FindAndConstruct(BPKey(PtrId));
assert (!HasFinalPtr(E) && "Pointer already registered.");
@ -336,9 +338,9 @@ void Deserializer::RegisterPtr(SerializedPtrID PtrId, const void* Ptr) {
SetPtr(E,Ptr);
}
void Deserializer::ReadUIntPtr(uintptr_t& PtrRef, bool AllowBackpatch) {
SerializedPtrID PtrId = ReadPtrID();
void Deserializer::ReadUIntPtr(uintptr_t& PtrRef,
const SerializedPtrID& PtrId,
bool AllowBackpatch) {
if (PtrId == 0) {
PtrRef = 0;
return;