Index: llvm/trunk/lib/Support/Timer.cpp =================================================================== --- llvm/trunk/lib/Support/Timer.cpp +++ llvm/trunk/lib/Support/Timer.cpp @@ -72,22 +72,9 @@ return llvm::make_unique(2, false); // stderr. } - -static TimerGroup *DefaultTimerGroup = nullptr; static TimerGroup *getDefaultTimerGroup() { - TimerGroup *tmp = DefaultTimerGroup; - sys::MemoryFence(); - if (tmp) return tmp; - - sys::SmartScopedLock Lock(*TimerLock); - tmp = DefaultTimerGroup; - if (!tmp) { - tmp = new TimerGroup("misc", "Miscellaneous Ungrouped Timers"); - sys::MemoryFence(); - DefaultTimerGroup = tmp; - } - - return tmp; + static TimerGroup DefaultTimerGroup("misc", "Miscellaneous Ungrouped Timers"); + return &DefaultTimerGroup; } //===----------------------------------------------------------------------===// @@ -309,7 +296,7 @@ // If this is not an collection of ungrouped times, print the total time. // Ungrouped timers don't really make sense to add up. We still print the // TOTAL line to make the percentages make sense. - if (this != DefaultTimerGroup) + if (this != getDefaultTimerGroup()) OS << format(" Total Execution Time: %5.4f seconds (%5.4f wall clock)\n", Total.getProcessTime(), Total.getWallTime()); OS << '\n';