}
break;
}
- case bitc::METADATA_FN_NODE: {
+ case bitc::METADATA_OLD_FN_NODE: {
+ // FIXME: Remove in 4.0.
// This is a LocalAsMetadata record, the only type of function-local
// metadata.
if (Record.size() % 2 == 1)
NextMDValueNo++);
break;
}
- case bitc::METADATA_NODE: {
+ case bitc::METADATA_OLD_NODE: {
+ // FIXME: Remove in 4.0.
if (Record.size() % 2 == 1)
return Error(BitcodeError::InvalidRecord);
MDValueList.AssignValue(MDNode::get(Context, Elts), NextMDValueNo++);
break;
}
+ case bitc::METADATA_VALUE: {
+ if (Record.size() != 2)
+ return Error(BitcodeError::InvalidRecord);
+
+ Type *Ty = getTypeByID(Record[0]);
+ if (Ty->isMetadataTy() || Ty->isVoidTy())
+ return Error(BitcodeError::InvalidRecord);
+
+ MDValueList.AssignValue(
+ ValueAsMetadata::get(ValueList.getValueFwdRef(Record[1], Ty)),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_NODE: {
+ SmallVector<Metadata *, 8> Elts;
+ Elts.reserve(Record.size());
+ for (unsigned ID : Record)
+ Elts.push_back(ID ? MDValueList.getValueFwdRef(ID - 1) : nullptr);
+ MDValueList.AssignValue(MDNode::get(Context, Elts), NextMDValueNo++);
+ break;
+ }
case bitc::METADATA_STRING: {
std::string String(Record.begin(), Record.end());
llvm::UpgradeMDStringConstant(String);
std::error_code BitcodeReader::InitLazyStream() {
// Check and strip off the bitcode wrapper; BitstreamReader expects never to
// see it.
- StreamingMemoryObject *Bytes = new StreamingMemoryObject(LazyStreamer);
- StreamFile.reset(new BitstreamReader(Bytes));
+ auto OwnedBytes = make_unique<StreamingMemoryObject>(LazyStreamer);
+ StreamingMemoryObject &Bytes = *OwnedBytes;
+ StreamFile = make_unique<BitstreamReader>(std::move(OwnedBytes));
Stream.init(&*StreamFile);
unsigned char buf[16];
- if (Bytes->readBytes(buf, 16, 0) != 16)
+ if (Bytes.readBytes(buf, 16, 0) != 16)
return Error(BitcodeError::InvalidBitcodeSignature);
if (!isBitcode(buf, buf + 16))
const unsigned char *bitcodeStart = buf;
const unsigned char *bitcodeEnd = buf + 16;
SkipBitcodeWrapperHeader(bitcodeStart, bitcodeEnd, false);
- Bytes->dropLeadingBytes(bitcodeStart - buf);
- Bytes->setKnownObjectSize(bitcodeEnd - bitcodeStart);
+ Bytes.dropLeadingBytes(bitcodeStart - buf);
+ Bytes.setKnownObjectSize(bitcodeEnd - bitcodeStart);
}
return std::error_code();
}
return getLazyBitcodeModuleImpl(std::move(Buffer), Context, false);
}
-Module *llvm::getStreamedBitcodeModule(const std::string &name,
- DataStreamer *streamer,
- LLVMContext &Context,
- std::string *ErrMsg) {
- Module *M = new Module(name, Context);
- BitcodeReader *R = new BitcodeReader(streamer, Context);
+ErrorOr<std::unique_ptr<Module>>
+llvm::getStreamedBitcodeModule(StringRef Name, DataStreamer *Streamer,
+ LLVMContext &Context) {
+ std::unique_ptr<Module> M = make_unique<Module>(Name, Context);
+ BitcodeReader *R = new BitcodeReader(Streamer, Context);
M->setMaterializer(R);
- if (std::error_code EC = R->ParseBitcodeInto(M)) {
- if (ErrMsg)
- *ErrMsg = EC.message();
- delete M; // Also deletes R.
- return nullptr;
- }
- return M;
+ if (std::error_code EC = R->ParseBitcodeInto(M.get()))
+ return EC;
+ return std::move(M);
}
ErrorOr<Module *> llvm::parseBitcodeFile(MemoryBufferRef Buffer,