Remove the unnecessary virtual dtor from the DIEUnit hierarchy (in favor of protected dtor in the base, final derived classes with public non-virtual dtors)

These objects are never polymorphically owned/destroyed, so the virtual
dtor was unnecessary.

llvm-svn: 301068

2 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
index 9a64b4b76b0..20a415150b4 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -28,7 +28,7 @@ class DwarfFile;
 class MCSymbol;
 class LexicalScope;
 
-class DwarfCompileUnit : public DwarfUnit {
+class DwarfCompileUnit final : public DwarfUnit {
   /// A numeric ID unique among all CUs in the module
   unsigned UniqueID;
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
index d626ef920f9..d141acce812 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -104,8 +104,6 @@ protected:
   bool applySubprogramDefinitionAttributes(const DISubprogram *SP, DIE &SPDie);
 
 public:
-  virtual ~DwarfUnit();
-
   // Accessors.
   AsmPrinter* getAsmPrinter() const { return Asm; }
   uint16_t getLanguage() const { return CUNode->getSourceLanguage(); }
@@ -289,6 +287,8 @@ public:
   void constructTypeDIE(DIE &Buffer, const DICompositeType *CTy);
 
 protected:
+  ~DwarfUnit();
+
   /// Create new static data member DIE.
   DIE *getOrCreateStaticMemberDIE(const DIDerivedType *DT);
 
@@ -337,7 +337,7 @@ private:
   virtual bool isDwoUnit() const = 0;
 };
 
-class DwarfTypeUnit : public DwarfUnit {
+class DwarfTypeUnit final : public DwarfUnit {
   uint64_t TypeSignature;
   const DIE *Ty;
   DwarfCompileUnit &CU;