From 819d15c7d97a0488e6851d5631690ad2588ec6e2 Mon Sep 17 00:00:00 2001
From: Torok Edwin <edwintorok@gmail.com>
Date: Sun, 27 Sep 2009 11:08:03 +0000
Subject: Avoid using mutex locks if not in multithreaded mode by using a
 SmartScopedMutex in RegisterStatistic.

llvm-svn: 82896
---
 llvm/lib/Support/Statistic.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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

diff --git a/llvm/lib/Support/Statistic.cpp b/llvm/lib/Support/Statistic.cpp
index 5ad569899ec..14f94bc2844 100644
--- a/llvm/lib/Support/Statistic.cpp
+++ b/llvm/lib/Support/Statistic.cpp
@@ -57,14 +57,14 @@ public:
 }
 
 static ManagedStatic<StatisticInfo> StatInfo;
-static ManagedStatic<sys::Mutex> StatLock;
+static ManagedStatic<sys::SmartMutex<true> > StatLock;
 
 /// RegisterStatistic - The first time a statistic is bumped, this method is
 /// called.
 void Statistic::RegisterStatistic() {
   // If stats are enabled, inform StatInfo that this statistic should be
   // printed.
-  sys::ScopedLock Writer(*StatLock);
+  sys::SmartScopedLock<true> Writer(*StatLock);
   if (!Initialized) {
     if (Enabled)
       StatInfo->addStatistic(this);
-- 
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