[llvm-commits] [llvm] r82896 - /llvm/trunk/lib/Support/Statistic.cpp

[Torok Edwin]

Author: edwin
Date: Sun Sep 27 06:08:03 2009
New Revision: 82896

URL: http://llvm.org/viewvc/llvm-project?rev=82896&view=rev
Log:
Avoid using mutex locks if not in multithreaded mode by using a SmartScopedMutex
in RegisterStatistic.

Modified:
    llvm/trunk/lib/Support/Statistic.cpp

Modified: llvm/trunk/lib/Support/Statistic.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Statistic.cpp?rev=82896&r1=82895&r2=82896&view=diff

==============================================================================
--- llvm/trunk/lib/Support/Statistic.cpp (original)
+++ llvm/trunk/lib/Support/Statistic.cpp Sun Sep 27 06:08:03 2009
@@ -57,14 +57,14 @@
 }
 
 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);