Add support to emit debug info for C++0x nullptr type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index d6be3f3..33a065d 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -658,13 +658,20 @@
void CompileUnit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
// Get core information.
StringRef Name = BTy.getName();
- Buffer.setTag(dwarf::DW_TAG_base_type);
- addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
- BTy.getEncoding());
-
// Add name if not anonymous or intermediate type.
if (!Name.empty())
addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+
+ if (BTy.getTag() == dwarf::DW_TAG_unspecified_type) {
+ Buffer.setTag(dwarf::DW_TAG_unspecified_type);
+ // Unspecified types has only name, nothing else.
+ return;
+ }
+
+ Buffer.setTag(dwarf::DW_TAG_base_type);
+ addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
+ BTy.getEncoding());
+
uint64_t Size = BTy.getSizeInBits() >> 3;
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
}