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

llvm-svn: 206252

1 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/Support/RWMutex.cpp b/llvm/lib/Support/RWMutex.cpp
index f42be5af50f..3b6309cef21 100644
--- a/llvm/lib/Support/RWMutex.cpp
+++ b/llvm/lib/Support/RWMutex.cpp
@@ -68,7 +68,7 @@ RWMutexImpl::RWMutexImpl()
 RWMutexImpl::~RWMutexImpl()
 {
   pthread_rwlock_t* rwlock = static_cast<pthread_rwlock_t*>(data_);
-  assert(rwlock != 0);
+  assert(rwlock != nullptr);
   pthread_rwlock_destroy(rwlock);
   free(rwlock);
 }
@@ -77,7 +77,7 @@ bool
 RWMutexImpl::reader_acquire()
 {
   pthread_rwlock_t* rwlock = static_cast<pthread_rwlock_t*>(data_);
-  assert(rwlock != 0);
+  assert(rwlock != nullptr);
 
   int errorcode = pthread_rwlock_rdlock(rwlock);
   return errorcode == 0;
@@ -87,7 +87,7 @@ bool
 RWMutexImpl::reader_release()
 {
   pthread_rwlock_t* rwlock = static_cast<pthread_rwlock_t*>(data_);
-  assert(rwlock != 0);
+  assert(rwlock != nullptr);
 
   int errorcode = pthread_rwlock_unlock(rwlock);
   return errorcode == 0;
@@ -97,7 +97,7 @@ bool
 RWMutexImpl::writer_acquire()
 {
   pthread_rwlock_t* rwlock = static_cast<pthread_rwlock_t*>(data_);
-  assert(rwlock != 0);
+  assert(rwlock != nullptr);
 
   int errorcode = pthread_rwlock_wrlock(rwlock);
   return errorcode == 0;
@@ -107,7 +107,7 @@ bool
 RWMutexImpl::writer_release()
 {
   pthread_rwlock_t* rwlock = static_cast<pthread_rwlock_t*>(data_);
-  assert(rwlock != 0);
+  assert(rwlock != nullptr);
 
   int errorcode = pthread_rwlock_unlock(rwlock);
   return errorcode == 0;