Differential D4033 Diff 10143 lib/IR/LegacyPassManager.cpp

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lib/IR/LegacyPassManager.cpp

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#include "llvm/IR/LegacyPassManagers.h"		#include "llvm/IR/LegacyPassManagers.h"
#include "llvm/IR/LegacyPassNameParser.h"		#include "llvm/IR/LegacyPassNameParser.h"
#include "llvm/IR/Module.h"		#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"		#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"		#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"		#include "llvm/Support/ErrorHandling.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/TimeValue.h"		#include "llvm/Support/TimeValue.h"
#include "llvm/Support/Timer.h"		#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"		#include "llvm/Support/raw_ostream.h"
#include <algorithm>		#include <algorithm>
#include <map>		#include <map>
using namespace llvm;		using namespace llvm;
using namespace llvm::legacy;		using namespace llvm::legacy;

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namespace {		namespace {

//===----------------------------------------------------------------------===//		//===----------------------------------------------------------------------===//
/// TimingInfo Class - This class is used to calculate information about the		/// TimingInfo Class - This class is used to calculate information about the
/// amount of time each pass takes to execute. This only happens when		/// amount of time each pass takes to execute. This only happens when
/// -time-passes is enabled on the command line.		/// -time-passes is enabled on the command line.
///		///

static ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex;		static ManagedStatic<sys::RecursiveDebugMutex> TimingInfoMutex;

class TimingInfo {		class TimingInfo {
DenseMap<Pass, Timer> TimingData;		DenseMap<Pass, Timer> TimingData;
TimerGroup TG;		TimerGroup TG;
public:		public:
// Use 'create' member to get this.		// Use 'create' member to get this.
TimingInfo() : TG("... Pass execution timing report ...") {}		TimingInfo() : TG("... Pass execution timing report ...") {}

Show All 12 Lines	public:
// null. It may be called multiple times.		// null. It may be called multiple times.
static void createTheTimeInfo();		static void createTheTimeInfo();

/// getPassTimer - Return the timer for the specified pass if it exists.		/// getPassTimer - Return the timer for the specified pass if it exists.
Timer getPassTimer(Pass P) {		Timer getPassTimer(Pass P) {
if (P->getAsPMDataManager())		if (P->getAsPMDataManager())
return nullptr;		return nullptr;

sys::SmartScopedLock<true> Lock(*TimingInfoMutex);		llvm::MutexGuard Lock(*TimingInfoMutex);
Timer *&T = TimingData[P];		Timer *&T = TimingData[P];
if (!T)		if (!T)
T = new Timer(P->getPassName(), TG);		T = new Timer(P->getPassName(), TG);
return T;		return T;
}		}
};		};

} // End of anon namespace		} // End of anon namespace
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