+static void WriteGenericDINode(const GenericDINode *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(0); // Per-tag version field; unused for now.
+
+ for (auto &I : N->operands())
+ Record.push_back(VE.getMetadataOrNullID(I));
+
+ Stream.EmitRecord(bitc::METADATA_GENERIC_DEBUG, Record, Abbrev);
+ Record.clear();
+}
+
+static uint64_t rotateSign(int64_t I) {
+ uint64_t U = I;
+ return I < 0 ? ~(U << 1) : U << 1;
+}
+
+static void WriteDISubrange(const DISubrange *N, const ValueEnumerator &,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getCount());
+ Record.push_back(rotateSign(N->getLowerBound()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBRANGE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIEnumerator(const DIEnumerator *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(rotateSign(N->getValue()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+
+ Stream.EmitRecord(bitc::METADATA_ENUMERATOR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIBasicType(const DIBasicType *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getEncoding());
+
+ Stream.EmitRecord(bitc::METADATA_BASIC_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIDerivedType(const DIDerivedType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getBaseType()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getOffsetInBits());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getExtraData()));
+
+ Stream.EmitRecord(bitc::METADATA_DERIVED_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDICompositeType(const DICompositeType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getBaseType()));
+ Record.push_back(N->getSizeInBits());
+ Record.push_back(N->getAlignInBits());
+ Record.push_back(N->getOffsetInBits());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getElements().get()));
+ Record.push_back(N->getRuntimeLang());
+ Record.push_back(VE.getMetadataOrNullID(N->getVTableHolder()));
+ Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawIdentifier()));
+
+ Stream.EmitRecord(bitc::METADATA_COMPOSITE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDISubroutineType(const DISubroutineType *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getFlags());
+ Record.push_back(VE.getMetadataOrNullID(N->getTypeArray().get()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIFile(const DIFile *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawFilename()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawDirectory()));
+
+ Stream.EmitRecord(bitc::METADATA_FILE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDICompileUnit(const DICompileUnit *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ assert(N->isDistinct() && "Expected distinct compile units");
+ Record.push_back(/* IsDistinct */ true);
+ Record.push_back(N->getSourceLanguage());
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawProducer()));
+ Record.push_back(N->isOptimized());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawFlags()));
+ Record.push_back(N->getRuntimeVersion());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawSplitDebugFilename()));
+ Record.push_back(N->getEmissionKind());
+ Record.push_back(VE.getMetadataOrNullID(N->getEnumTypes().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRetainedTypes().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getSubprograms().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getGlobalVariables().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getImportedEntities().get()));
+ Record.push_back(N->getDWOId());
+
+ Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDISubprogram(const DISubprogram *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->isLocalToUnit());
+ Record.push_back(N->isDefinition());
+ Record.push_back(N->getScopeLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getContainingType()));
+ Record.push_back(N->getVirtuality());
+ Record.push_back(N->getVirtualIndex());
+ Record.push_back(N->getFlags());
+ Record.push_back(N->isOptimized());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawFunction()));
+ Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get()));
+ Record.push_back(VE.getMetadataOrNullID(N->getDeclaration()));
+ Record.push_back(VE.getMetadataOrNullID(N->getVariables().get()));
+
+ Stream.EmitRecord(bitc::METADATA_SUBPROGRAM, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDILexicalBlock(const DILexicalBlock *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(N->getColumn());
+
+ Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDILexicalBlockFile(const DILexicalBlockFile *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getDiscriminator());
+
+ Stream.EmitRecord(bitc::METADATA_LEXICAL_BLOCK_FILE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDINamespace(const DINamespace *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(N->getLine());
+
+ Stream.EmitRecord(bitc::METADATA_NAMESPACE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIModule(const DIModule *N, const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record, unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ for (auto &I : N->operands())
+ Record.push_back(VE.getMetadataOrNullID(I));
+
+ Stream.EmitRecord(bitc::METADATA_MODULE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDITemplateTypeParameter(const DITemplateTypeParameter *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+
+ Stream.EmitRecord(bitc::METADATA_TEMPLATE_TYPE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDITemplateValueParameter(const DITemplateValueParameter *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(VE.getMetadataOrNullID(N->getValue()));
+
+ Stream.EmitRecord(bitc::METADATA_TEMPLATE_VALUE, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIGlobalVariable(const DIGlobalVariable *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawLinkageName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->isLocalToUnit());
+ Record.push_back(N->isDefinition());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawVariable()));
+ Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration()));
+
+ Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDILocalVariable(const DILocalVariable *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+ Record.push_back(N->getArg());
+ Record.push_back(N->getFlags());
+
+ Stream.EmitRecord(bitc::METADATA_LOCAL_VAR, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIExpression(const DIExpression *N, const ValueEnumerator &,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.reserve(N->getElements().size() + 1);
+
+ Record.push_back(N->isDistinct());
+ Record.append(N->elements_begin(), N->elements_end());
+
+ Stream.EmitRecord(bitc::METADATA_EXPRESSION, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIObjCProperty(const DIObjCProperty *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getFile()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawSetterName()));
+ Record.push_back(VE.getMetadataOrNullID(N->getRawGetterName()));
+ Record.push_back(N->getAttributes());
+ Record.push_back(VE.getMetadataOrNullID(N->getType()));
+
+ Stream.EmitRecord(bitc::METADATA_OBJC_PROPERTY, Record, Abbrev);
+ Record.clear();
+}
+
+static void WriteDIImportedEntity(const DIImportedEntity *N,
+ const ValueEnumerator &VE,
+ BitstreamWriter &Stream,
+ SmallVectorImpl<uint64_t> &Record,
+ unsigned Abbrev) {
+ Record.push_back(N->isDistinct());
+ Record.push_back(N->getTag());
+ Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+ Record.push_back(VE.getMetadataOrNullID(N->getEntity()));
+ Record.push_back(N->getLine());
+ Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+
+ Stream.EmitRecord(bitc::METADATA_IMPORTED_ENTITY, Record, Abbrev);
+ Record.clear();
+}
+