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Added default creation of root-level block by bitstream serializer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43732 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ted Kremenek
2007-11-05 20:47:27 +00:00
parent 619bc0ac17
commit 14ac17e2df
2 changed files with 23 additions and 4 deletions
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2
include/llvm/Bitcode/Serialize.h
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@@ -31,7 +31,7 @@ class Serializer {
MapTy PtrMap; MapTy PtrMap;
public: public:
Serializer(BitstreamWriter& stream, unsigned BlockID = 0); Serializer(BitstreamWriter& stream, unsigned BlockID = 8);
~Serializer(); ~Serializer();

25
lib/Bitcode/Reader/Deserialize.cpp
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@@ -47,9 +47,28 @@ void Deserializer::ReadRecord() {
// FIXME: Check if we haven't run off the edge of the stream. // FIXME: Check if we haven't run off the edge of the stream.
// FIXME: Handle abbreviations. // FIXME: Handle abbreviations.
// FIXME: Check for the correct code. unsigned Code;
unsigned Code = Stream.ReadCode();
while (true) {
Code = Stream.ReadCode();
if (Code == bitc::ENTER_SUBBLOCK) {
// No known subblocks, always skip them.
unsigned id = Stream.ReadSubBlockID();
Stream.EnterSubBlock(id);
continue;
}
if (Code == bitc::END_BLOCK) {
bool x = Stream.ReadBlockEnd();
assert (!x && "Error at block end.");
continue;
}
break;
}
assert (Record.size() == 0); assert (Record.size() == 0);
Stream.ReadRecord(Code,Record); Stream.ReadRecord(Code,Record);
assert (Record.size() > 0); assert (Record.size() > 0);
@@ -141,7 +160,7 @@ uintptr_t Deserializer::ReadInternalRefPtr() {
MapTy::value_type& E = BPatchMap.FindAndConstruct(BPKey(PtrId)); MapTy::value_type& E = BPatchMap.FindAndConstruct(BPKey(PtrId));
assert (!HasFinalPtr(E) && assert (HasFinalPtr(E) &&
"Cannot backpatch references. Object must be already deserialized."); "Cannot backpatch references. Object must be already deserialized.");
return GetFinalPtr(E); return GetFinalPtr(E);