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[DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types

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Differential Revision: https://reviews.llvm.org/D29670

llvm-svn: 297320
This commit is contained in:
Konstantin Zhuravlyov
2017-03-08 23:55:44 +00:00
parent d4cb9c6da0
commit d5561e0a0b
29 changed files with 411 additions and 83 deletions
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11
llvm/lib/Bitcode/Reader/MetadataLoader.cpp
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@@ -1110,9 +1110,15 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
break;
}
case bitc::METADATA_DERIVED_TYPE: {
if (Record.size() != 12)
if (Record.size() < 12 || Record.size() > 13)
return error("Invalid record");
// DWARF address space is encoded as N->getDWARFAddressSpace() + 1. 0 means
// that there is no DWARF address space associated with DIDerivedType.
Optional<unsigned> DWARFAddressSpace;
if (Record.size() > 12 && Record[12])
DWARFAddressSpace = Record[12] - 1;
IsDistinct = Record[0];
DINode::DIFlags Flags = static_cast<DINode::DIFlags>(Record[10]);
MetadataList.assignValue(
@@ -1121,7 +1127,8 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
getMDOrNull(Record[3]), Record[4],
getDITypeRefOrNull(Record[5]),
getDITypeRefOrNull(Record[6]), Record[7], Record[8],
Record[9], Flags, getDITypeRefOrNull(Record[11]))),
Record[9], DWARFAddressSpace, Flags,
getDITypeRefOrNull(Record[11]))),
NextMetadataNo);
NextMetadataNo++;
break;