Differential D4033 Diff 10143 lib/Support/Statistic.cpp

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lib/Support/Statistic.cpp

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#include "llvm/ADT/Statistic.h"		#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"		#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"		#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"		#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"		#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"		#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Mutex.h"		#include "llvm/Support/Mutex.h"
		#include "llvm/Support/MutexGuard.h"
#include "llvm/Support/raw_ostream.h"		#include "llvm/Support/raw_ostream.h"
#include <algorithm>		#include <algorithm>
#include <cstring>		#include <cstring>
using namespace llvm;		using namespace llvm;

// CreateInfoOutputFile - Return a file stream to print our output on.		// CreateInfoOutputFile - Return a file stream to print our output on.
namespace llvm { extern raw_ostream *CreateInfoOutputFile(); }		namespace llvm { extern raw_ostream *CreateInfoOutputFile(); }

Show All 19 Lines	public:

void addStatistic(const Statistic *S) {		void addStatistic(const Statistic *S) {
Stats.push_back(S);		Stats.push_back(S);
}		}
};		};
}		}

static ManagedStatic<StatisticInfo> StatInfo;		static ManagedStatic<StatisticInfo> StatInfo;
static ManagedStatic<sys::SmartMutex<true> > StatLock;		static ManagedStatic<sys::RecursiveDebugMutex> StatLock;

/// RegisterStatistic - The first time a statistic is bumped, this method is		/// RegisterStatistic - The first time a statistic is bumped, this method is
/// called.		/// called.
void Statistic::RegisterStatistic() {		void Statistic::RegisterStatistic() {
// If stats are enabled, inform StatInfo that this statistic should be		// If stats are enabled, inform StatInfo that this statistic should be
// printed.		// printed.
sys::SmartScopedLock<true> Writer(*StatLock);		llvm::MutexGuard Writer(*StatLock);
if (!Initialized) {		if (!Initialized) {
if (Enabled)		if (Enabled)
StatInfo->addStatistic(this);		StatInfo->addStatistic(this);

TsanHappensBefore(this);		TsanHappensBefore(this);
sys::MemoryFence();		sys::MemoryFence();
// Remember we have been registered.		// Remember we have been registered.
TsanIgnoreWritesBegin();		TsanIgnoreWritesBegin();
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