[DWARFv5] Emit normal type units in .debug_info comdats.

Differential Revision: https://reviews.llvm.org/D54282

llvm-svn: 346540

2 files changed, 11 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 070b8fe4ec1..5d50f34d77d 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2610,9 +2610,14 @@ void DwarfDebug::addDwarfTypeUnitType(DwarfCompileUnit &CU,
   Ins.first->second = Signature;
 
   if (useSplitDwarf())
+    // FIXME: v5 split type units belong in .debug_info.dwo.
     NewTU.setSection(Asm->getObjFileLowering().getDwarfTypesDWOSection());
   else {
-    NewTU.setSection(Asm->getObjFileLowering().getDwarfTypesSection(Signature));
+    MCSection *Section =
+        getDwarfVersion() <= 4
+            ? Asm->getObjFileLowering().getDwarfTypesSection(Signature)
+            : Asm->getObjFileLowering().getDwarfInfoSection(Signature);
+    NewTU.setSection(Section);
     // Non-split type units reuse the compile unit's line table.
     CU.applyStmtList(UnitDie);
   }
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp
index ab8e0f31db9..0513ba5a82a 100644
--- a/llvm/lib/MC/MCObjectFileInfo.cpp
+++ b/llvm/lib/MC/MCObjectFileInfo.cpp
@@ -812,16 +812,17 @@ void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple, bool PIC,
   }
 }
 
-MCSection *MCObjectFileInfo::getDwarfTypesSection(uint64_t Hash) const {
+MCSection *MCObjectFileInfo::getDwarfComdatSection(const char *Name,
+                                                   uint64_t Hash) const {
   switch (TT.getObjectFormat()) {
   case Triple::ELF:
-    return Ctx->getELFSection(".debug_types", ELF::SHT_PROGBITS, ELF::SHF_GROUP,
-                              0, utostr(Hash));
+    return Ctx->getELFSection(Name, ELF::SHT_PROGBITS, ELF::SHF_GROUP, 0,
+                              utostr(Hash));
   case Triple::MachO:
   case Triple::COFF:
   case Triple::Wasm:
   case Triple::UnknownObjectFormat:
-    report_fatal_error("Cannot get DWARF types section for this object file "
+    report_fatal_error("Cannot get DWARF comdat section for this object file "
                        "format: not implemented.");
     break;
   }