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authorAdrian Prantl <aprantl@apple.com>2014-12-19 00:01:20 +0000
committerAdrian Prantl <aprantl@apple.com>2014-12-19 00:01:20 +0000
commitcf44e7870b41b0a9c7aeaa33df226d5204b790db (patch)
tree70e2ac337a3316d5a5998c43dc671b5eb2cba9d8 /llvm/lib/CodeGen
parentf94eed608393f54389145b42a2f32c53f3b84274 (diff)
downloadbcm5719-llvm-cf44e7870b41b0a9c7aeaa33df226d5204b790db.tar.gz
bcm5719-llvm-cf44e7870b41b0a9c7aeaa33df226d5204b790db.zip
Explain why LLVM is emitting a DW_AT_containing_type inside of a class.
llvm-svn: 224555
Diffstat (limited to 'llvm/lib/CodeGen')
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index b616e54df5c..7606a61ff71 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1118,6 +1118,8 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (CTy.isAppleBlockExtension())
addFlag(Buffer, dwarf::DW_AT_APPLE_block);
+ // This is outside the DWARF spec, but GDB expects a DW_AT_containing_type
+ // inside C++ composite types to point to the base class with the vtable.
DICompositeType ContainingType(resolve(CTy.getContainingType()));
if (ContainingType)
addDIEEntry(Buffer, dwarf::DW_AT_containing_type,
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