Revert "Store TypeUnits in a SmallVector<DWARFUnitSection> instead of a single DWARFUnitSection."

This reverts commit r218513.

Buildbots using libstdc++ issue an error when trying to copy
SmallVector<std::unique_ptr<>>. Revert the commit until we have a fix.

llvm-svn: 218514

1 files changed, 10 insertions, 16 deletions

diff --git a/llvm/lib/DebugInfo/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARFContext.cpp
index 1f9491002d2..1be0691a1d9 100644
--- a/llvm/lib/DebugInfo/DWARFContext.cpp
+++ b/llvm/lib/DebugInfo/DWARFContext.cpp
@@ -86,17 +86,15 @@ void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
 
   if ((DumpType == DIDT_All || DumpType == DIDT_Types) && getNumTypeUnits()) {
     OS << "\n.debug_types contents:\n";
-    for (const auto &TUS : type_unit_sections())
-      for (const auto &TU : TUS)
-        TU->dump(OS);
+    for (const auto &TU : type_units())
+      TU->dump(OS);
   }
 
   if ((DumpType == DIDT_All || DumpType == DIDT_TypesDwo) &&
       getNumDWOTypeUnits()) {
     OS << "\n.debug_types.dwo contents:\n";
-    for (const auto &DWOTUS : dwo_type_unit_sections())
-      for (const auto &DWOTU : DWOTUS)
-        DWOTU->dump(OS);
+    for (const auto &DWOTU : dwo_type_units())
+      DWOTU->dump(OS);
   }
 
   if (DumpType == DIDT_All || DumpType == DIDT_Loc) {
@@ -339,17 +337,15 @@ void DWARFContext::parseTypeUnits() {
     uint32_t offset = 0;
     const DataExtractor &DIData =
         DataExtractor(I.second.Data, isLittleEndian(), 0);
-    TUs.push_back(DWARFUnitSection<DWARFTypeUnit>());
-    auto &TUS = TUs.back();
     while (DIData.isValidOffset(offset)) {
       std::unique_ptr<DWARFTypeUnit> TU(new DWARFTypeUnit(*this,
            getDebugAbbrev(), I.second.Data, getRangeSection(),
            getStringSection(), StringRef(), getAddrSection(),
-           &I.second.Relocs, isLittleEndian(), TUS));
+           &I.second.Relocs, isLittleEndian(), TUs));
       if (!TU->extract(DIData, &offset))
         break;
-      TUS.push_back(std::move(TU));
-      offset = TUS.back()->getNextUnitOffset();
+      TUs.push_back(std::move(TU));
+      offset = TUs.back()->getNextUnitOffset();
     }
   }
 }
@@ -380,17 +376,15 @@ void DWARFContext::parseDWOTypeUnits() {
     uint32_t offset = 0;
     const DataExtractor &DIData =
         DataExtractor(I.second.Data, isLittleEndian(), 0);
-    DWOTUs.push_back(DWARFUnitSection<DWARFTypeUnit>());
-    auto &TUS = DWOTUs.back();
     while (DIData.isValidOffset(offset)) {
       std::unique_ptr<DWARFTypeUnit> TU(new DWARFTypeUnit(*this,
           getDebugAbbrevDWO(), I.second.Data, getRangeDWOSection(),
           getStringDWOSection(), getStringOffsetDWOSection(), getAddrSection(),
-          &I.second.Relocs, isLittleEndian(), TUS));
+          &I.second.Relocs, isLittleEndian(), DWOTUs));
       if (!TU->extract(DIData, &offset))
         break;
-      TUS.push_back(std::move(TU));
-      offset = TUS.back()->getNextUnitOffset();
+      DWOTUs.push_back(std::move(TU));
+      offset = DWOTUs.back()->getNextUnitOffset();
     }
   }
 }