3 files changed, 19 insertions, 13 deletions

diff --git a/llvm/unittests/IR/DominatorTreeTest.cpp b/llvm/unittests/IR/DominatorTreeTest.cpp
index 8d2dc41ca13..287a9448454 100644
--- a/llvm/unittests/IR/DominatorTreeTest.cpp
+++ b/llvm/unittests/IR/DominatorTreeTest.cpp
@@ -25,7 +25,7 @@ namespace llvm {
   namespace {
     struct DPass : public FunctionPass {
       static char ID;
-      virtual bool runOnFunction(Function &F) {
+      bool runOnFunction(Function &F) override {
         DominatorTree *DT =
             &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
         PostDominatorTree *PDT = &getAnalysis<PostDominatorTree>();
@@ -176,7 +176,7 @@ namespace llvm {
 
         return false;
       }
-      virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      void getAnalysisUsage(AnalysisUsage &AU) const override {
         AU.addRequired<DominatorTreeWrapperPass>();
         AU.addRequired<PostDominatorTree>();
       }
diff --git a/llvm/unittests/IR/IRBuilderTest.cpp b/llvm/unittests/IR/IRBuilderTest.cpp
index cf189b1fb11..9fe241c1a74 100644
--- a/llvm/unittests/IR/IRBuilderTest.cpp
+++ b/llvm/unittests/IR/IRBuilderTest.cpp
@@ -26,7 +26,7 @@ namespace {
 
 class IRBuilderTest : public testing::Test {
 protected:
-  virtual void SetUp() {
+  void SetUp() override {
     M.reset(new Module("MyModule", Ctx));
     FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),
                                           /*isVarArg=*/false);
@@ -36,7 +36,7 @@ protected:
                             GlobalValue::ExternalLinkage, nullptr);
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     BB = nullptr;
     M.reset();
   }
diff --git a/llvm/unittests/IR/ValueHandleTest.cpp b/llvm/unittests/IR/ValueHandleTest.cpp
index 403d2bcbda1..6000c4a3105 100644
--- a/llvm/unittests/IR/ValueHandleTest.cpp
+++ b/llvm/unittests/IR/ValueHandleTest.cpp
@@ -244,8 +244,11 @@ TEST_F(ValueHandle, CallbackVH_CallbackOnDeletion) {
     RecordingVH(Value *V) : CallbackVH(V), DeletedCalls(0), AURWCalls(0) {}
 
   private:
-    virtual void deleted() { DeletedCalls++; CallbackVH::deleted(); }
-    virtual void allUsesReplacedWith(Value *) { AURWCalls++; }
+    void deleted() override {
+      DeletedCalls++;
+      CallbackVH::deleted();
+    }
+    void allUsesReplacedWith(Value *) override { AURWCalls++; }
   };
 
   RecordingVH RVH;
@@ -268,8 +271,11 @@ TEST_F(ValueHandle, CallbackVH_CallbackOnRAUW) {
       : CallbackVH(V), DeletedCalls(0), AURWArgument(nullptr) {}
 
   private:
-    virtual void deleted() { DeletedCalls++; CallbackVH::deleted(); }
-    virtual void allUsesReplacedWith(Value *new_value) {
+    void deleted() override {
+      DeletedCalls++;
+      CallbackVH::deleted();
+    }
+    void allUsesReplacedWith(Value *new_value) override {
       EXPECT_EQ(nullptr, AURWArgument);
       AURWArgument = new_value;
     }
@@ -298,11 +304,11 @@ TEST_F(ValueHandle, CallbackVH_DeletionCanRAUW) {
         Context(&getGlobalContext()) {}
 
   private:
-    virtual void deleted() {
+    void deleted() override {
       getValPtr()->replaceAllUsesWith(Constant::getNullValue(Type::getInt32Ty(getGlobalContext())));
       setValPtr(nullptr);
     }
-    virtual void allUsesReplacedWith(Value *new_value) {
+    void allUsesReplacedWith(Value *new_value) override {
       ASSERT_TRUE(nullptr != getValPtr());
       EXPECT_EQ(1U, getValPtr()->getNumUses());
       EXPECT_EQ(nullptr, AURWArgument);
@@ -341,12 +347,12 @@ TEST_F(ValueHandle, DestroyingOtherVHOnSameValueDoesntBreakIteration) {
       setValPtr(V);
       ToClear[1].reset(new WeakVH(V));
     }
-    virtual void deleted() {
+    void deleted() override {
       ToClear[0].reset();
       ToClear[1].reset();
       CallbackVH::deleted();
     }
-    virtual void allUsesReplacedWith(Value *) {
+    void allUsesReplacedWith(Value *) override {
       ToClear[0].reset();
       ToClear[1].reset();
     }
@@ -388,7 +394,7 @@ TEST_F(ValueHandle, AssertingVHCheckedLast) {
       ToClear[1] = &A1;
     }
 
-    virtual void deleted() {
+    void deleted() override {
       *ToClear[0] = nullptr;
       *ToClear[1] = nullptr;
       CallbackVH::deleted();