}
}
+static int64_t unrotateSign(uint64_t U) { return U & 1 ? ~(U >> 1) : U >> 1; }
+
std::error_code BitcodeReader::ParseMetadata() {
unsigned NextMDValueNo = MDValueList.size();
SmallVector<uint64_t, 64> Record;
+ auto getMD =
+ [&](unsigned ID) -> Metadata *{ return MDValueList.getValueFwdRef(ID); };
+ auto getMDOrNull = [&](unsigned ID) -> Metadata *{
+ if (ID)
+ return getMD(ID - 1);
+ return nullptr;
+ };
auto getMDString = [&](unsigned ID) -> MDString *{
// This requires that the ID is not really a forward reference. In
// particular, the MDString must already have been resolved.
- if (ID)
- return cast<MDString>(MDValueList.getValueFwdRef(ID - 1));
- return nullptr;
+ return cast_or_null<MDString>(getMDOrNull(ID));
};
#define GET_OR_DISTINCT(CLASS, DISTINCT, ARGS) \
NextMDValueNo++);
break;
}
+ case bitc::METADATA_SUBRANGE: {
+ if (Record.size() != 3)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDSubrange, Record[0],
+ (Context, Record[1], unrotateSign(Record[2]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_ENUMERATOR: {
+ if (Record.size() != 3)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(GET_OR_DISTINCT(MDEnumerator, Record[0],
+ (Context, unrotateSign(Record[1]),
+ getMDString(Record[2]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_BASIC_TYPE: {
+ if (Record.size() != 6)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDBasicType, Record[0],
+ (Context, Record[1], getMDString(Record[2]),
+ Record[3], Record[4], Record[5])),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_DERIVED_TYPE: {
+ if (Record.size() != 12)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDDerivedType, Record[0],
+ (Context, Record[1], getMDString(Record[2]),
+ getMDOrNull(Record[3]), Record[4],
+ getMDOrNull(Record[5]), getMD(Record[6]), Record[7],
+ Record[8], Record[9], Record[10],
+ getMDOrNull(Record[11]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_COMPOSITE_TYPE: {
+ if (Record.size() != 16)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDCompositeType, Record[0],
+ (Context, Record[1], getMDString(Record[2]),
+ getMDOrNull(Record[3]), Record[4],
+ getMDOrNull(Record[5]), getMDOrNull(Record[6]),
+ Record[7], Record[8], Record[9], Record[10],
+ getMDOrNull(Record[11]), Record[12],
+ getMDOrNull(Record[13]), getMDOrNull(Record[14]),
+ getMDString(Record[15]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_SUBROUTINE_TYPE: {
+ if (Record.size() != 3)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDSubroutineType, Record[0],
+ (Context, Record[1], getMDOrNull(Record[2]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_FILE: {
+ if (Record.size() != 3)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDFile, Record[0], (Context, getMDString(Record[1]),
+ getMDString(Record[2]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_COMPILE_UNIT: {
+ if (Record.size() != 14)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(
+ MDCompileUnit, Record[0],
+ (Context, Record[1], getMD(Record[2]), getMDString(Record[3]),
+ Record[4], getMDString(Record[5]), Record[6],
+ getMDString(Record[7]), Record[8], getMDOrNull(Record[9]),
+ getMDOrNull(Record[10]), getMDOrNull(Record[11]),
+ getMDOrNull(Record[12]), getMDOrNull(Record[13]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_SUBPROGRAM: {
+ if (Record.size() != 19)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(
+ MDSubprogram, Record[0],
+ (Context, getMDOrNull(Record[1]), getMDString(Record[2]),
+ getMDString(Record[3]), getMDOrNull(Record[4]), Record[5],
+ getMDOrNull(Record[6]), Record[7], Record[8], Record[9],
+ getMDOrNull(Record[10]), Record[11], Record[12], Record[13],
+ Record[14], getMDOrNull(Record[15]), getMDOrNull(Record[16]),
+ getMDOrNull(Record[17]), getMDOrNull(Record[18]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_LEXICAL_BLOCK: {
+ if (Record.size() != 5)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDLexicalBlock, Record[0],
+ (Context, getMDOrNull(Record[1]),
+ getMDOrNull(Record[2]), Record[3], Record[4])),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_LEXICAL_BLOCK_FILE: {
+ if (Record.size() != 4)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDLexicalBlockFile, Record[0],
+ (Context, getMDOrNull(Record[1]),
+ getMDOrNull(Record[2]), Record[3])),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_NAMESPACE: {
+ if (Record.size() != 5)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDNamespace, Record[0],
+ (Context, getMDOrNull(Record[1]),
+ getMDOrNull(Record[2]), getMDString(Record[3]),
+ Record[4])),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_TEMPLATE_TYPE: {
+ if (Record.size() != 4)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDTemplateTypeParameter, Record[0],
+ (Context, getMDOrNull(Record[1]),
+ getMDString(Record[2]), getMDOrNull(Record[3]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_TEMPLATE_VALUE: {
+ if (Record.size() != 6)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDTemplateValueParameter, Record[0],
+ (Context, Record[1], getMDOrNull(Record[2]),
+ getMDString(Record[3]), getMDOrNull(Record[4]),
+ getMDOrNull(Record[5]))),
+ NextMDValueNo++);
+ break;
+ }
+ case bitc::METADATA_GLOBAL_VAR: {
+ if (Record.size() != 11)
+ return Error("Invalid record");
+
+ MDValueList.AssignValue(
+ GET_OR_DISTINCT(MDGlobalVariable, Record[0],
+ (Context, getMDOrNull(Record[1]),
+ getMDString(Record[2]), getMDString(Record[3]),
+ getMDOrNull(Record[4]), Record[5],
+ getMDOrNull(Record[6]), Record[7], Record[8],
+ getMDOrNull(Record[9]), getMDOrNull(Record[10]))),
+ NextMDValueNo++);
+ break;
+ }
case bitc::METADATA_STRING: {
std::string String(Record.begin(), Record.end());
llvm::UpgradeMDStringConstant(String);