diff options
Diffstat (limited to 'llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp')
| -rw-r--r-- | llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp index 9bf70c2e3aa..467a36ca748 100644 --- a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp +++ b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp @@ -216,6 +216,13 @@ Error RawCoverageMappingReader::readMappingRegionsSubArray( if (auto Err = readIntMax(ColumnEnd, std::numeric_limits<unsigned>::max())) return Err; LineStart += LineStartDelta; + + // If the high bit of ColumnEnd is set, this is a gap region. + if (ColumnEnd & (1U << 31)) { + Kind = CounterMappingRegion::GapRegion; + ColumnEnd &= ~(1U << 31); + } + // Adjust the column locations for the empty regions that are supposed to // cover whole lines. Those regions should be encoded with the // column range (1 -> std::numeric_limits<unsigned>::max()), but because @@ -534,11 +541,16 @@ Expected<std::unique_ptr<CovMapFuncRecordReader>> CovMapFuncRecordReader::get( return llvm::make_unique<VersionedCovMapFuncRecordReader< CovMapVersion::Version1, IntPtrT, Endian>>(P, R, F); case CovMapVersion::Version2: + case CovMapVersion::Version3: // Decompress the name data. if (Error E = P.create(P.getNameData())) return std::move(E); - return llvm::make_unique<VersionedCovMapFuncRecordReader< - CovMapVersion::Version2, IntPtrT, Endian>>(P, R, F); + if (Version == CovMapVersion::Version2) + return llvm::make_unique<VersionedCovMapFuncRecordReader< + CovMapVersion::Version2, IntPtrT, Endian>>(P, R, F); + else + return llvm::make_unique<VersionedCovMapFuncRecordReader< + CovMapVersion::Version3, IntPtrT, Endian>>(P, R, F); } llvm_unreachable("Unsupported version"); } |
