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eliminate internal length fields from record. Records already know their

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total length


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-05-04 19:11:41 +00:00
parent 1d33bb3108
commit 15e6d170e8
2 changed files with 48 additions and 48 deletions
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23
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -72,8 +72,7 @@ static void WriteStringRecord(unsigned Code, const std::string &Str,
unsigned AbbrevToUse, BitstreamWriter &Stream) {
SmallVector<unsigned, 64> Vals;
// Code: [strlen, strchar x N]
Vals.push_back(Str.size());
// Code: [strchar x N]
for (unsigned i = 0, e = Str.size(); i != e; ++i)
Vals.push_back(Str[i]);
@ -150,7 +149,6 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
TypeVals.push_back(FT->isVarArg());
TypeVals.push_back(VE.getParamAttrID(FT->getParamAttrs()));
TypeVals.push_back(VE.getTypeID(FT->getReturnType()));
TypeVals.push_back(FT->getNumParams());
for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i)
TypeVals.push_back(VE.getTypeID(FT->getParamType(i)));
break;
@ -160,8 +158,7 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
// STRUCT: [ispacked, #elts, eltty x N]
Code = bitc::TYPE_CODE_STRUCT;
TypeVals.push_back(ST->isPacked());
TypeVals.push_back(ST->getNumElements());
// Output all of the element types...
// Output all of the element types.
for (StructType::element_iterator I = ST->element_begin(),
E = ST->element_end(); I != E; ++I)
TypeVals.push_back(VE.getTypeID(*I));
@ -399,7 +396,6 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
// So, we only write the number of active words.
unsigned NWords = IV->getValue().getActiveWords();
const uint64_t *RawWords = IV->getValue().getRawData();
Record.push_back(NWords);
for (unsigned i = 0; i != NWords; ++i) {
int64_t V = RawWords[i];
if (V >= 0)
@ -420,7 +416,6 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
} else if (isa<ConstantArray>(C) || isa<ConstantStruct>(V) ||
isa<ConstantVector>(V)) {
Code = bitc::CST_CODE_AGGREGATE;
Record.push_back(C->getNumOperands());
for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
Record.push_back(VE.getValueID(C->getOperand(i)));
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
@ -441,7 +436,6 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
break;
case Instruction::GetElementPtr:
Code = bitc::CST_CODE_CE_GEP;
Record.push_back(CE->getNumOperands());
for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) {
Record.push_back(VE.getTypeID(C->getOperand(i)->getType()));
Record.push_back(VE.getValueID(C->getOperand(i)));
@ -627,7 +621,6 @@ static void WriteInstruction(const Instruction &I, ValueEnumerator &VE,
case Instruction::PHI:
Code = bitc::FUNC_CODE_INST_PHI;
Vals.push_back(VE.getTypeID(I.getType()));
Vals.push_back(I.getNumOperands());
for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i)
Vals.push_back(VE.getValueID(I.getOperand(i)));
break;
@ -710,6 +703,16 @@ static void WriteValueSymbolTable(const ValueSymbolTable &VST,
if (VST.empty()) return;
Stream.EnterSubblock(bitc::VALUE_SYMTAB_BLOCK_ID, 3);
#if 0
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
Abbv->Add(BitCodeAbbrevOp(bitc::VST_ENTRY));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::FixedWidth,
Log2_32_Ceil(MaxGlobalType+1)));
// Don't bother emitting vis + thread local.
SimpleGVarAbbrev = Stream.EmitAbbrev(Abbv);
#endif
// FIXME: Set up the abbrev, we know how many values there are!
// FIXME: We know if the type names can use 7-bit ascii.
SmallVector<unsigned, 64> NameVals;
@ -728,7 +731,6 @@ static void WriteValueSymbolTable(const ValueSymbolTable &VST,
}
NameVals.push_back(VE.getValueID(SI->getValue()));
NameVals.push_back(SI->getKeyLength());
for (const char *P = SI->getKeyData(),
*E = SI->getKeyData()+SI->getKeyLength(); P != E; ++P)
NameVals.push_back((unsigned char)*P);
@ -794,7 +796,6 @@ static void WriteTypeSymbolTable(const TypeSymbolTable &TST,
NameVals.push_back(VE.getTypeID(TI->second));
const std::string &Str = TI->first;
NameVals.push_back(Str.size());
for (unsigned i = 0, e = Str.size(); i != e; ++i)
NameVals.push_back(Str[i]);