Remove empty non-virtual destructors or mark them =default when non-public

These add no value but can make a class non-trivially copyable. NFC.

llvm-svn: 234688

5 files changed, 2 insertions, 9 deletions

diff --git a/llvm/lib/AsmParser/LLLexer.h b/llvm/lib/AsmParser/LLLexer.h
index 3343168754c..90bf17d7a74 100644
--- a/llvm/lib/AsmParser/LLLexer.h
+++ b/llvm/lib/AsmParser/LLLexer.h
@@ -45,7 +45,6 @@ namespace llvm {
   public:
     explicit LLLexer(StringRef StartBuf, SourceMgr &SM, SMDiagnostic &,
                      LLVMContext &C);
-    ~LLLexer() {}
 
     lltok::Kind Lex() {
       return CurKind = LexToken();
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 90c86a884bc..bacb5790bc8 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -397,7 +397,6 @@ private:
     StackProtectorDescriptor() : ParentMBB(nullptr), SuccessMBB(nullptr),
                                  FailureMBB(nullptr), Guard(nullptr),
                                  GuardReg(0) { }
-    ~StackProtectorDescriptor() { }
 
     /// Returns true if all fields of the stack protector descriptor are
     /// initialized implying that we should/are ready to emit a stack protector.
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index a7f0ede90f9..f3ca13db5dd 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -401,9 +401,7 @@ public:
   /// NumberedTypes - The numbered types, along with their value.
   DenseMap<StructType*, unsigned> NumberedTypes;
 
-
-  TypePrinting() {}
-  ~TypePrinting() {}
+  TypePrinting() = default;
 
   void incorporateTypes(const Module &M);
 
diff --git a/llvm/lib/TableGen/TGLexer.h b/llvm/lib/TableGen/TGLexer.h
index 1f750fcd8d9..cbc30be8a57 100644
--- a/llvm/lib/TableGen/TGLexer.h
+++ b/llvm/lib/TableGen/TGLexer.h
@@ -87,8 +87,7 @@ private:
 
 public:
   TGLexer(SourceMgr &SrcMgr);
-  ~TGLexer() {}
-  
+
   tgtok::TokKind Lex() {
     return CurCode = LexToken();
   }
diff --git a/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h b/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
index 87de33b839c..d4fef10d96f 100644
--- a/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
+++ b/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
@@ -54,8 +54,6 @@ public:
                             RetainAutorelease(nullptr),
                             RetainAutoreleaseRV(nullptr) { }
 
-  ~ARCRuntimeEntryPoints() { }
-
   void init(Module *M) {
     TheModule = M;
     AutoreleaseRV = nullptr;