Fix Clang-tidy modernize-use-nullptr warnings in source directories and generated files; other minor cleanups.

Patch by Eugene Zelenko!

Differential Revision: http://reviews.llvm.org/D13321

llvm-svn: 249482

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/IR/BasicBlock.cpp b/llvm/lib/IR/BasicBlock.cpp
index 76bf176498d..97e4da41ea9 100644
--- a/llvm/lib/IR/BasicBlock.cpp
+++ b/llvm/lib/IR/BasicBlock.cpp
@@ -21,6 +21,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Type.h"
 #include <algorithm>
+
 using namespace llvm;
 
 ValueSymbolTable *BasicBlock::getValueSymbolTable() {
@@ -37,7 +38,6 @@ LLVMContext &BasicBlock::getContext() const {
 // are not in the public header file...
 template class llvm::SymbolTableListTraits<Instruction, BasicBlock>;
 
-
 BasicBlock::BasicBlock(LLVMContext &C, const Twine &Name, Function *NewParent,
                        BasicBlock *InsertBefore)
   : Value(Type::getLabelTy(C), Value::BasicBlockVal), Parent(nullptr) {
@@ -245,12 +245,12 @@ BasicBlock *BasicBlock::getSingleSuccessor() {
 
 BasicBlock *BasicBlock::getUniqueSuccessor() {
   succ_iterator SI = succ_begin(this), E = succ_end(this);
-  if (SI == E) return NULL; // No successors
+  if (SI == E) return nullptr; // No successors
   BasicBlock *SuccBB = *SI;
   ++SI;
   for (;SI != E; ++SI) {
     if (*SI != SuccBB)
-      return NULL;
+      return nullptr;
     // The same successor appears multiple times in the successor list.
     // This is OK.
   }