2 files changed, 19 insertions, 9 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 1e12b39a978..74133280bf2 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2792,7 +2792,8 @@ void DwarfDebug::emitMacroFile(DIMacroFile &F, DwarfCompileUnit &U) {
   Asm->EmitULEB128(dwarf::DW_MACINFO_end_file);
 }
 
-void DwarfDebug::emitDebugMacinfoImpl(MCSection *Section) {
+/// Emit macros into a debug macinfo section.
+void DwarfDebug::emitDebugMacinfo() {
   for (const auto &P : CUMap) {
     auto &TheCU = *P.second;
     auto *SkCU = TheCU.getSkeleton();
@@ -2801,7 +2802,8 @@ void DwarfDebug::emitDebugMacinfoImpl(MCSection *Section) {
     DIMacroNodeArray Macros = CUNode->getMacros();
     if (Macros.empty())
       continue;
-    Asm->OutStreamer->SwitchSection(Section);
+    Asm->OutStreamer->SwitchSection(
+        Asm->getObjFileLowering().getDwarfMacinfoSection());
     Asm->OutStreamer->EmitLabel(U.getMacroLabelBegin());
     handleMacroNodes(Macros, U);
     Asm->OutStreamer->AddComment("End Of Macro List Mark");
@@ -2809,13 +2811,22 @@ void DwarfDebug::emitDebugMacinfoImpl(MCSection *Section) {
   }
 }
 
-/// Emit macros into a debug macinfo section.
-void DwarfDebug::emitDebugMacinfo() {
-  emitDebugMacinfoImpl(Asm->getObjFileLowering().getDwarfMacinfoSection());
-}
-
 void DwarfDebug::emitDebugMacinfoDWO() {
-  emitDebugMacinfoImpl(Asm->getObjFileLowering().getDwarfMacinfoDWOSection());
+  for (const auto &P : CUMap) {
+    auto &TheCU = *P.second;
+    auto *SkCU = TheCU.getSkeleton();
+    DwarfCompileUnit &U = SkCU ? *SkCU : TheCU;
+    auto *CUNode = cast<DICompileUnit>(P.first);
+    DIMacroNodeArray Macros = CUNode->getMacros();
+    if (Macros.empty())
+      continue;
+    Asm->OutStreamer->SwitchSection(
+        Asm->getObjFileLowering().getDwarfMacinfoDWOSection());
+    Asm->OutStreamer->EmitLabel(U.getMacroLabelBegin());
+    handleMacroNodes(Macros, U);
+    Asm->OutStreamer->AddComment("End Of Macro List Mark");
+    Asm->emitInt8(0);
+  }
 }
 
 // DWARF5 Experimental Separate Dwarf emitters.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 2e547f12412..4d7bf0c54de 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -513,7 +513,6 @@ class DwarfDebug : public DebugHandlerBase {
   void emitDebugMacinfo();
   /// Emit macros into a debug macinfo.dwo section.
   void emitDebugMacinfoDWO();
-  void emitDebugMacinfoImpl(MCSection *Section);
   void emitMacro(DIMacro &M);
   void emitMacroFile(DIMacroFile &F, DwarfCompileUnit &U);
   void handleMacroNodes(DIMacroNodeArray Nodes, DwarfCompileUnit &U);