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authorMichael Buch <michaelbuch12@gmail.com>2025-10-10 09:54:04 +0100
committerGitHub <noreply@github.com>2025-10-10 09:54:04 +0100
commitc32753a77a724244bfac60405390a14c93fd92fa (patch)
treeaf2fad6b109654261e4ac286d3571dc334e59dd2 /llvm/lib/Bitcode/Reader/MetadataLoader.cpp
parent51eee2010d3184f21502d12d69c0234549ee3fb4 (diff)
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[llvm][DebugInfo] Add 'sourceLanguageName' field support to DICompileUnit (#162445)
Depends on: * https://github.com/llvm/llvm-project/pull/162255 * https://github.com/llvm/llvm-project/pull/162434 Part of a patch series to support the DWARFv6 `DW_AT_language_name`/`DW_AT_language_version` attributes.
Diffstat (limited to 'llvm/lib/Bitcode/Reader/MetadataLoader.cpp')
-rw-r--r--llvm/lib/Bitcode/Reader/MetadataLoader.cpp16
1 files changed, 11 insertions, 5 deletions
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
index a4d1b83..cdcf7a8 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -1867,12 +1867,18 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
// distinct. It's always distinct.
IsDistinct = true;
+ const auto LangVersionMask = (uint64_t(1) << 63);
+ const bool HasVersionedLanguage = Record[1] & LangVersionMask;
+
auto *CU = DICompileUnit::getDistinct(
- Context, DISourceLanguageName(Record[1]), getMDOrNull(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[12]),
- getMDOrNull(Record[13]),
+ Context,
+ HasVersionedLanguage
+ ? DISourceLanguageName(Record[1] & ~LangVersionMask, 0)
+ : DISourceLanguageName(Record[1]),
+ getMDOrNull(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[12]), getMDOrNull(Record[13]),
Record.size() <= 15 ? nullptr : getMDOrNull(Record[15]),
Record.size() <= 14 ? 0 : Record[14],
Record.size() <= 16 ? true : Record[16],