Remove support for runtime multi-threading.

[oota-llvm.git] / lib / Support / Timer.cpp

diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
index 61465ae5e8be861a33d12058c38fa9c11cf50b9d..cdab02b2fb778945625cc08969189adf73ba7b89 100644 (file)
--- a/lib/Support/Timer.cpp
+++ b/lib/Support/Timer.cpp
@@ -84,14 +84,13 @@ static TimerGroup *getDefaultTimerGroup() {
   sys::MemoryFence();
   if (tmp) return tmp;
   
-  llvm_acquire_global_lock();
+  std::lock_guard<llvm::recursive_mutex> Lock(llvm::llvm_get_global_lock());
   tmp = DefaultTimerGroup;
   if (!tmp) {
     tmp = new TimerGroup("Miscellaneous Ungrouped Timers");
     sys::MemoryFence();
     DefaultTimerGroup = tmp;
   }
-  llvm_release_global_lock();
 
   return tmp;
 }