Sink DwarfUnit::SectionSym into DwarfCompileUnit as it's only needed/used there.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfCompileUnit.h

diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
index f6b69ce2aa8f9b55e02ef500892296c76c3719cd..dd59024e786f69a5eee001d315535121ae90c9a0 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -33,6 +33,12 @@ class DwarfCompileUnit : public DwarfUnit {
   /// the need to search for it in applyStmtList.
   unsigned stmtListIndex;
 
+  /// Skeleton unit associated with this unit.
+  DwarfCompileUnit *Skeleton;
+
+  /// A label at the start of the non-dwo section related to this unit.
+  MCSymbol *SectionSym;
+
   /// \brief Construct a DIE for the given DbgVariable without initializing the
   /// DbgVariable's DIE reference.
   std::unique_ptr<DIE> constructVariableDIEImpl(const DbgVariable &DV,
@@ -42,6 +48,10 @@ public:
   DwarfCompileUnit(unsigned UID, DICompileUnit Node, AsmPrinter *A,
                    DwarfDebug *DW, DwarfFile *DWU);
 
+  DwarfCompileUnit *getSkeleton() const {
+    return Skeleton;
+  }
+
   void initStmtList(MCSymbol *DwarfLineSectionSym);
 
   /// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
@@ -128,6 +138,41 @@ public:
   constructImportedEntityDIE(const DIImportedEntity &Module);
 
   void finishSubprogramDefinition(DISubprogram SP);
+
+  void collectDeadVariables(DISubprogram SP);
+
+  /// If there's a skeleton then return the begin label for the skeleton unit,
+  /// otherwise return the local label for this unit.
+  MCSymbol *getLocalLabelBegin() const {
+    if (Skeleton)
+      return Skeleton->getLabelBegin();
+    return getLabelBegin();
+  }
+
+  /// If there's a skeleton then return the section symbol for the skeleton
+  /// unit, otherwise return the section symbol for this unit.
+  MCSymbol *getLocalSectionSym() const {
+    if (Skeleton)
+      return Skeleton->getSectionSym();
+    return getSectionSym();
+  }
+
+  /// Set the skeleton unit associated with this unit.
+  void setSkeleton(DwarfCompileUnit &Skel) { Skeleton = &Skel; }
+
+  MCSymbol *getSectionSym() const {
+    assert(Section);
+    return SectionSym;
+  }
+
+  /// Pass in the SectionSym even though we could recreate it in every compile
+  /// unit (type units will have actually distinct symbols once they're in
+  /// comdat sections).
+  void initSection(const MCSection *Section, MCSymbol *SectionSym) {
+    DwarfUnit::initSection(Section);
+    this->SectionSym = SectionSym;
+  }
+
 };
 
 } // end llvm namespace