[C++] Use 'nullptr'.

llvm-svn: 207394

2 files changed, 26 insertions, 26 deletions

diff --git a/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h b/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
index 4eac39dedd2..40984286307 100644
--- a/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
+++ b/llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h
@@ -43,34 +43,34 @@ public:
     EPT_RetainAutoreleaseRV
   };
 
-  ARCRuntimeEntryPoints() : TheModule(0),
-                            AutoreleaseRV(0),
-                            Release(0),
-                            Retain(0),
-                            RetainBlock(0),
-                            Autorelease(0),
-                            StoreStrong(0),
-                            RetainRV(0),
-                            RetainAutorelease(0),
-                            RetainAutoreleaseRV(0) { }
+  ARCRuntimeEntryPoints() : TheModule(nullptr),
+                            AutoreleaseRV(nullptr),
+                            Release(nullptr),
+                            Retain(nullptr),
+                            RetainBlock(nullptr),
+                            Autorelease(nullptr),
+                            StoreStrong(nullptr),
+                            RetainRV(nullptr),
+                            RetainAutorelease(nullptr),
+                            RetainAutoreleaseRV(nullptr) { }
 
   ~ARCRuntimeEntryPoints() { }
 
   void Initialize(Module *M) {
     TheModule = M;
-    AutoreleaseRV = 0;
-    Release = 0;
-    Retain = 0;
-    RetainBlock = 0;
-    Autorelease = 0;
-    StoreStrong = 0;
-    RetainRV = 0;
-    RetainAutorelease = 0;
-    RetainAutoreleaseRV = 0;
+    AutoreleaseRV = nullptr;
+    Release = nullptr;
+    Retain = nullptr;
+    RetainBlock = nullptr;
+    Autorelease = nullptr;
+    StoreStrong = nullptr;
+    RetainRV = nullptr;
+    RetainAutorelease = nullptr;
+    RetainAutoreleaseRV = nullptr;
   }
 
   Constant *get(const EntryPointType entry) {
-    assert(TheModule != 0 && "Not initialized.");
+    assert(TheModule != nullptr && "Not initialized.");
 
     switch (entry) {
     case EPT_AutoreleaseRV:
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index f29cb2d91a7..dd4dd50f0ba 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -819,7 +819,7 @@ ARCAnnotationTargetIdentifier("objc-arc-annotation-target-identifier",
 /// arc annotation processor tool. If the function is an
 static MDString *AppendMDNodeToSourcePtr(unsigned NodeId,
                                          Value *Ptr) {
-  MDString *Hash = 0;
+  MDString *Hash = nullptr;
 
   // If pointer is a result of an instruction and it does not have a source
   // MDNode it, attach a new MDNode onto it. If pointer is a result of
@@ -881,7 +881,7 @@ static void AppendMDNodeToInstForPtr(unsigned NodeId,
                                      MDString *PtrSourceMDNodeID,
                                      Sequence OldSeq,
                                      Sequence NewSeq) {
-  MDNode *Node = 0;
+  MDNode *Node = nullptr;
   Value *tmp[3] = {PtrSourceMDNodeID,
                    SequenceToMDString(Inst->getContext(),
                                       OldSeq),
@@ -917,7 +917,7 @@ static void GenerateARCBBEntranceAnnotation(const char *Name, BasicBlock *BB,
 
   Value *PtrName;
   StringRef Tmp = Ptr->getName();
-  if (0 == (PtrName = M->getGlobalVariable(Tmp, true))) {
+  if (nullptr == (PtrName = M->getGlobalVariable(Tmp, true))) {
     Value *ActualPtrName = Builder.CreateGlobalStringPtr(Tmp,
                                                          Tmp + "_STR");
     PtrName = new GlobalVariable(*M, I8X, true, GlobalVariable::InternalLinkage,
@@ -926,7 +926,7 @@ static void GenerateARCBBEntranceAnnotation(const char *Name, BasicBlock *BB,
 
   Value *S;
   std::string SeqStr = SequenceToString(Seq);
-  if (0 == (S = M->getGlobalVariable(SeqStr, true))) {
+  if (nullptr == (S = M->getGlobalVariable(SeqStr, true))) {
     Value *ActualPtrName = Builder.CreateGlobalStringPtr(SeqStr,
                                                          SeqStr + "_STR");
     S = new GlobalVariable(*M, I8X, true, GlobalVariable::InternalLinkage,
@@ -960,7 +960,7 @@ static void GenerateARCBBTerminatorAnnotation(const char *Name, BasicBlock *BB,
 
   Value *PtrName;
   StringRef Tmp = Ptr->getName();
-  if (0 == (PtrName = M->getGlobalVariable(Tmp, true))) {
+  if (nullptr == (PtrName = M->getGlobalVariable(Tmp, true))) {
     Value *ActualPtrName = Builder.CreateGlobalStringPtr(Tmp,
                                                          Tmp + "_STR");
     PtrName = new GlobalVariable(*M, I8X, true, GlobalVariable::InternalLinkage,
@@ -969,7 +969,7 @@ static void GenerateARCBBTerminatorAnnotation(const char *Name, BasicBlock *BB,
 
   Value *S;
   std::string SeqStr = SequenceToString(Seq);
-  if (0 == (S = M->getGlobalVariable(SeqStr, true))) {
+  if (nullptr == (S = M->getGlobalVariable(SeqStr, true))) {
     Value *ActualPtrName = Builder.CreateGlobalStringPtr(SeqStr,
                                                          SeqStr + "_STR");
     S = new GlobalVariable(*M, I8X, true, GlobalVariable::InternalLinkage,