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-rw-r--r--llvm/lib/Bitcode/Reader/BitcodeReader.cpp14
-rw-r--r--llvm/lib/Bitcode/Writer/BitcodeWriter.cpp1
2 files changed, 9 insertions, 6 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index fea4c167ae3..17bb64b1e1c 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1972,15 +1972,19 @@ std::error_code BitcodeReader::parseMetadata() {
}
case bitc::METADATA_LOCAL_VAR: {
// 10th field is for the obseleted 'inlinedAt:' field.
- if (Record.size() != 9 && Record.size() != 10)
+ if (Record.size() < 8 || Record.size() > 10)
return error("Invalid record");
+ // 2nd field used to be an artificial tag, either DW_TAG_auto_variable or
+ // DW_TAG_arg_variable.
+ bool HasTag = Record.size() > 8;
MDValueList.assignValue(
GET_OR_DISTINCT(DILocalVariable, Record[0],
- (Context, Record[1], getMDOrNull(Record[2]),
- getMDString(Record[3]), getMDOrNull(Record[4]),
- Record[5], getMDOrNull(Record[6]), Record[7],
- Record[8])),
+ (Context, getMDOrNull(Record[1 + HasTag]),
+ getMDString(Record[2 + HasTag]),
+ getMDOrNull(Record[3 + HasTag]), Record[4 + HasTag],
+ getMDOrNull(Record[5 + HasTag]), Record[6 + HasTag],
+ Record[7 + HasTag])),
NextMDValueNo++);
break;
}
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 20e31d1a102..951d10b919c 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1100,7 +1100,6 @@ static void WriteDILocalVariable(const DILocalVariable *N,
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->getRawName()));
Record.push_back(VE.getMetadataOrNullID(N->getFile()));
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