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DebugInfo: Do not emit pubnames/pubtypes sections if they are empty 

llvm-svn: 203622
This commit is contained in:
David Blaikie 2014-03-11 23:35:06 +00:00
parent fe04abbc89
commit ce2f1cb918
2 changed files with 5 additions and 2 deletions
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3
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -2215,6 +2215,9 @@ void DwarfDebug::emitDebugPubSection(
const auto &Globals = (TheU->*Accessor)();
if (Globals.empty())
continue;
if (auto Skeleton = static_cast<DwarfCompileUnit *>(TheU->getSkeleton()))
TheU = Skeleton;
unsigned ID = TheU->getUniqueID();

4
llvm/test/DebugInfo/empty.ll
View File

@ -12,10 +12,10 @@
; CHECK-NOT: file_names[
; CHECK: .debug_pubnames contents:
; CHECK-NEXT: {{^$}}
; CHECK-NOT: Offset
; CHECK: .debug_pubtypes contents:
; CHECK-NEXT: {{^$}}
; CHECK-NOT: Offset
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!5}