[llvm-commits] [llvm] r114131 - /llvm/trunk/lib/VMCore/PassRegistry.cpp

[Owen Anderson]

Author: resistor
Date: Thu Sep 16 18:44:50 2010
New Revision: 114131

URL: http://llvm.org/viewvc/llvm-project?rev=114131&view=rev
Log:
Allow the PassRegistry mutex to be lazily initialized, and clean up the global namespace at the same time.

Modified:
    llvm/trunk/lib/VMCore/PassRegistry.cpp

Modified: llvm/trunk/lib/VMCore/PassRegistry.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/PassRegistry.cpp?rev=114131&r1=114130&r2=114131&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/PassRegistry.cpp (original)
+++ llvm/trunk/lib/VMCore/PassRegistry.cpp Thu Sep 16 18:44:50 2010
@@ -34,7 +34,7 @@
   return &*PassRegistryObj;
 }
 
-sys::SmartMutex<true> Lock;
+static ManagedStatic<sys::SmartMutex<true> > Lock;
 
 //===----------------------------------------------------------------------===//
 // PassRegistryImpl
@@ -68,21 +68,21 @@
 //
 
 PassRegistry::~PassRegistry() {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(pImpl);
   if (Impl) delete Impl;
   pImpl = 0;
 }
 
 const PassInfo *PassRegistry::getPassInfo(const void *TI) const {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   PassRegistryImpl::MapType::const_iterator I = Impl->PassInfoMap.find(TI);
   return I != Impl->PassInfoMap.end() ? I->second : 0;
 }
 
 const PassInfo *PassRegistry::getPassInfo(StringRef Arg) const {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   PassRegistryImpl::StringMapType::const_iterator
     I = Impl->PassInfoStringMap.find(Arg);
@@ -94,7 +94,7 @@
 //
 
 void PassRegistry::registerPass(const PassInfo &PI) {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   bool Inserted =
     Impl->PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
@@ -108,7 +108,7 @@
 }
 
 void PassRegistry::unregisterPass(const PassInfo &PI) {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   PassRegistryImpl::MapType::iterator I = 
     Impl->PassInfoMap.find(PI.getTypeInfo());
@@ -120,7 +120,7 @@
 }
 
 void PassRegistry::enumerateWith(PassRegistrationListener *L) {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   for (PassRegistryImpl::MapType::const_iterator I = Impl->PassInfoMap.begin(),
        E = Impl->PassInfoMap.end(); I != E; ++I)
@@ -147,7 +147,7 @@
     assert(ImplementationInfo &&
            "Must register pass before adding to AnalysisGroup!");
 
-    sys::SmartScopedLock<true> Guard(Lock);
+    sys::SmartScopedLock<true> Guard(*Lock);
     
     // Make sure we keep track of the fact that the implementation implements
     // the interface.
@@ -170,13 +170,13 @@
 }
 
 void PassRegistry::addRegistrationListener(PassRegistrationListener *L) {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
   Impl->Listeners.push_back(L);
 }
 
 void PassRegistry::removeRegistrationListener(PassRegistrationListener *L) {
-  sys::SmartScopedLock<true> Guard(Lock);
+  sys::SmartScopedLock<true> Guard(*Lock);
   
   // NOTE: This is necessary, because removeRegistrationListener() can be called
   // as part of the llvm_shutdown sequence.  Since we have no control over the