[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206129 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 4 deletions

diff --git a/include/llvm/ADT/ilist.h b/include/llvm/ADT/ilist.h
index 4f64b6c82e..bc148452f2 100644
--- a/include/llvm/ADT/ilist.h
+++ b/include/llvm/ADT/ilist.h
@@ -83,7 +83,7 @@ struct ilist_sentinel_traits {
   /// provideInitialHead - when constructing an ilist, provide a starting
   /// value for its Head
   /// @return null node to indicate that it needs to be allocated later
-  static NodeTy *provideInitialHead() { return 0; }
+  static NodeTy *provideInitialHead() { return nullptr; }
 
   /// ensureHead - make sure that Head is either already
   /// initialized or assigned a fresh sentinel
@@ -92,7 +92,7 @@ struct ilist_sentinel_traits {
     if (!Head) {
       Head = ilist_traits<NodeTy>::createSentinel();
       ilist_traits<NodeTy>::noteHead(Head, Head);
-      ilist_traits<NodeTy>::setNext(Head, 0);
+      ilist_traits<NodeTy>::setNext(Head, nullptr);
       return Head;
     }
     return ilist_traits<NodeTy>::getPrev(Head);
diff --git a/include/llvm/ADT/ilist_node.h b/include/llvm/ADT/ilist_node.h
index 269fa51958..51c0328bfb 100644
--- a/include/llvm/ADT/ilist_node.h
+++ b/include/llvm/ADT/ilist_node.h
@@ -60,7 +60,7 @@ public:
 
     // Check for sentinel.
     if (!Prev->getNext())
-      return 0;
+      return nullptr;
 
     return Prev;
   }
@@ -82,7 +82,7 @@ public:
 
     // Check for sentinel.
     if (!Next->getNext())
-      return 0;
+      return nullptr;
 
     return Next;
   }