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Unbreak backwards compatibility with bytecode format. Regression

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introduced by this patch:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071126/055824.html



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44364 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-11-27 17:48:06 +00:00
parent dc024674ff
commit a1afde77fa
2 changed files with 8 additions and 5 deletions
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9
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -329,14 +329,15 @@ bool BitcodeReader::ParseTypeTable() {
ResultTy = PointerType::get(getTypeByID(Record[0], true));
break;
case bitc::TYPE_CODE_FUNCTION: {
// FUNCTION: [vararg, retty, paramty x N]
if (Record.size() < 2)
// FIXME: attrid is dead, remove it in LLVM 3.0
// FUNCTION: [vararg, attrid, retty, paramty x N]
if (Record.size() < 3)
return Error("Invalid FUNCTION type record");
std::vector<const Type*> ArgTys;
for (unsigned i = 2, e = Record.size(); i != e; ++i)
for (unsigned i = 3, e = Record.size(); i != e; ++i)
ArgTys.push_back(getTypeByID(Record[i], true));
ResultTy = FunctionType::get(getTypeByID(Record[1], true), ArgTys,
ResultTy = FunctionType::get(getTypeByID(Record[2], true), ArgTys,
Record[0]);
break;
}

4
lib/Bitcode/Writer/BitcodeWriter.cpp
View File

@ -147,6 +147,7 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Abbv = new BitCodeAbbrev();
Abbv->Add(BitCodeAbbrevOp(bitc::TYPE_CODE_FUNCTION));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isvararg
Abbv->Add(BitCodeAbbrevOp(0)); // FIXME: DEAD value, remove in LLVM 3.0
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed,
Log2_32_Ceil(VE.getTypes().size()+1)));
@ -204,9 +205,10 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
case Type::FunctionTyID: {
const FunctionType *FT = cast<FunctionType>(T);
// FUNCTION: [isvararg, retty, paramty x N]
// FUNCTION: [isvararg, attrid, retty, paramty x N]
Code = bitc::TYPE_CODE_FUNCTION;
TypeVals.push_back(FT->isVarArg());
TypeVals.push_back(0); // FIXME: DEAD: remove in llvm 3.0
TypeVals.push_back(VE.getTypeID(FT->getReturnType()));
for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i)
TypeVals.push_back(VE.getTypeID(FT->getParamType(i)));