From: Torok Edwin <edwintorok@gmail.com>
Date: Sun, 27 Sep 2009 11:08:03 +0000 (+0000)
Subject: Avoid using mutex locks if not in multithreaded mode by using a SmartScopedMutex
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=d7830d595d43c6de4512d2ebf44a95cf4fc77ea2;ds=sidebyside

Avoid using mutex locks if not in multithreaded mode by using a SmartScopedMutex
in RegisterStatistic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82896 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp
index 5ad569899ec..14f94bc2844 100644
--- a/lib/Support/Statistic.cpp
+++ b/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);