From c10719f55d3babe47ce754ad4e4964c7cd90d6e8 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 7 Apr 2014 04:17:22 +0000
Subject: [C++11] Make use of 'nullptr' in the Support library.

llvm-svn: 205697
---
 llvm/lib/Support/Timer.cpp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'llvm/lib/Support/Timer.cpp')

diff --git a/llvm/lib/Support/Timer.cpp b/llvm/lib/Support/Timer.cpp
index 7cf4d372a55..c2ce90c8588 100644
--- a/llvm/lib/Support/Timer.cpp
+++ b/llvm/lib/Support/Timer.cpp
@@ -77,7 +77,7 @@ raw_ostream *llvm::CreateInfoOutputFile() {
 }
 
 
-static TimerGroup *DefaultTimerGroup = 0;
+static TimerGroup *DefaultTimerGroup = nullptr;
 static TimerGroup *getDefaultTimerGroup() {
   TimerGroup *tmp = DefaultTimerGroup;
   sys::MemoryFence();
@@ -235,11 +235,11 @@ static Timer &getNamedRegionTimer(StringRef Name) {
 
 NamedRegionTimer::NamedRegionTimer(StringRef Name,
                                    bool Enabled)
-  : TimeRegion(!Enabled ? 0 : &getNamedRegionTimer(Name)) {}
+  : TimeRegion(!Enabled ? nullptr : &getNamedRegionTimer(Name)) {}
 
 NamedRegionTimer::NamedRegionTimer(StringRef Name, StringRef GroupName,
                                    bool Enabled)
-  : TimeRegion(!Enabled ? 0 : &NamedGroupedTimers->get(Name, GroupName)) {}
+  : TimeRegion(!Enabled ? nullptr : &NamedGroupedTimers->get(Name, GroupName)){}
 
 //===----------------------------------------------------------------------===//
 //   TimerGroup Implementation
@@ -247,10 +247,10 @@ NamedRegionTimer::NamedRegionTimer(StringRef Name, StringRef GroupName,
 
 /// TimerGroupList - This is the global list of TimerGroups, maintained by the
 /// TimerGroup ctor/dtor and is protected by the TimerLock lock.
-static TimerGroup *TimerGroupList = 0;
+static TimerGroup *TimerGroupList = nullptr;
 
 TimerGroup::TimerGroup(StringRef name)
-  : Name(name.begin(), name.end()), FirstTimer(0) {
+  : Name(name.begin(), name.end()), FirstTimer(nullptr) {
     
   // Add the group to TimerGroupList.
   sys::SmartScopedLock<true> L(*TimerLock);
@@ -264,7 +264,7 @@ TimerGroup::TimerGroup(StringRef name)
 TimerGroup::~TimerGroup() {
   // If the timer group is destroyed before the timers it owns, accumulate and
   // print the timing data.
-  while (FirstTimer != 0)
+  while (FirstTimer != nullptr)
     removeTimer(*FirstTimer);
   
   // Remove the group from the TimerGroupList.
@@ -282,7 +282,7 @@ void TimerGroup::removeTimer(Timer &T) {
   if (T.Started)
     TimersToPrint.push_back(std::make_pair(T.Time, T.Name));
 
-  T.TG = 0;
+  T.TG = nullptr;
   
   // Unlink the timer from our list.
   *T.Prev = T.Next;
@@ -291,7 +291,7 @@ void TimerGroup::removeTimer(Timer &T) {
   
   // Print the report when all timers in this group are destroyed if some of
   // them were started.
-  if (FirstTimer != 0 || TimersToPrint.empty())
+  if (FirstTimer != nullptr || TimersToPrint.empty())
     return;
   
   raw_ostream *OutStream = CreateInfoOutputFile();
-- 
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