diff options
Diffstat (limited to 'llvm/lib/Bitcode')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 10 | ||||
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 17 |
2 files changed, 23 insertions, 4 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 5dee2f90677..98b4803e690 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1552,6 +1552,16 @@ std::error_code BitcodeReader::ParseMetadata() { NextMDValueNo++); break; } + case bitc::METADATA_EXPRESSION: { + if (Record.size() < 1) + return Error("Invalid record"); + + MDValueList.AssignValue( + GET_OR_DISTINCT(MDExpression, Record[0], + (Context, makeArrayRef(Record).slice(1))), + NextMDValueNo++); + break; + } case bitc::METADATA_STRING: { std::string String(Record.begin(), Record.end()); llvm::UpgradeMDStringConstant(String); diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 9feb4ffda7f..6683e3e6962 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -1092,11 +1092,20 @@ static void WriteMDLocalVariable(const MDLocalVariable *N, Record.clear(); } -static void WriteMDExpression(const MDExpression *, const ValueEnumerator &, - BitstreamWriter &, SmallVectorImpl<uint64_t> &, - unsigned) { - llvm_unreachable("write not implemented"); +static void WriteMDExpression(const MDExpression *N, const ValueEnumerator &, + BitstreamWriter &Stream, + SmallVectorImpl<uint64_t> &Record, + unsigned Abbrev) { + Record.reserve(N->getElements().size() + 1); + + Record.push_back(N->isDistinct()); + for (uint64_t I : N->getElements()) + Record.push_back(I); + + Stream.EmitRecord(bitc::METADATA_EXPRESSION, Record, Abbrev); + Record.clear(); } + static void WriteMDObjCProperty(const MDObjCProperty *, const ValueEnumerator &, BitstreamWriter &, SmallVectorImpl<uint64_t> &, unsigned) { |
