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Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets
we care about are capable of supporting it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73993 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -34,12 +34,12 @@ class TimerGroup;
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/// if they are never started.
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///
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class Timer {
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int64_t Elapsed; // Wall clock time elapsed in seconds
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int64_t UserTime; // User time elapsed
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int64_t SystemTime; // System time elapsed
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int64_t MemUsed; // Memory allocated (in bytes)
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int64_t PeakMem; // Peak memory used
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int64_t PeakMemBase; // Temporary for peak calculation...
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double Elapsed; // Wall clock time elapsed in seconds
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double UserTime; // User time elapsed
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double SystemTime; // System time elapsed
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ssize_t MemUsed; // Memory allocated (in bytes)
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size_t PeakMem; // Peak memory used
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size_t PeakMemBase; // Temporary for peak calculation...
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std::string Name; // The name of this time variable
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bool Started; // Has this time variable ever been started?
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TimerGroup *TG; // The TimerGroup this Timer is in.
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@ -49,10 +49,10 @@ public:
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Timer(const Timer &T);
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~Timer();
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int64_t getProcessTime() const { return UserTime+SystemTime; }
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int64_t getWallTime() const { return Elapsed; }
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int64_t getMemUsed() const { return MemUsed; }
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int64_t getPeakMem() const { return PeakMem; }
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double getProcessTime() const { return UserTime+SystemTime; }
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double getWallTime() const { return Elapsed; }
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ssize_t getMemUsed() const { return MemUsed; }
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size_t getPeakMem() const { return PeakMem; }
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std::string getName() const { return Name; }
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const Timer &operator=(const Timer &T) {
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@ -20,14 +20,13 @@ namespace llvm {
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namespace sys {
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void MemoryFence();
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uint32_t CompareAndSwap32(volatile uint32_t* ptr,
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uint32_t new_value,
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uint32_t old_value);
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int32_t AtomicIncrement32(volatile int32_t* ptr);
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int32_t AtomicDecrement32(volatile int32_t* ptr);
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int32_t AtomicAdd32(volatile int32_t* ptr, int32_t val);
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int64_t AtomicAdd64(volatile int64_t* ptr, int64_t val);
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typedef uint32_t cas_flag;
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cas_flag CompareAndSwap(volatile cas_flag* ptr,
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cas_flag new_value,
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cas_flag old_value);
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cas_flag AtomicIncrement(volatile cas_flag* ptr);
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cas_flag AtomicDecrement(volatile cas_flag* ptr);
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cas_flag AtomicAdd(volatile cas_flag* ptr, cas_flag val);
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}
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}
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@ -103,7 +103,7 @@ private:
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/// has no AbstractTypeUsers, the type is deleted. This is only sensical for
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/// derived types.
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///
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mutable int32_t RefCount;
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mutable sys::cas_flag RefCount;
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const Type *getForwardedTypeInternal() const;
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@ -338,7 +338,7 @@ public:
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void addRef() const {
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assert(isAbstract() && "Cannot add a reference to a non-abstract type!");
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sys::AtomicIncrement32(&RefCount);
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sys::AtomicIncrement(&RefCount);
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}
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void dropRef() const {
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@ -347,8 +347,8 @@ public:
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// If this is the last PATypeHolder using this object, and there are no
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// PATypeHandles using it, the type is dead, delete it now.
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int32_t Count = sys::AtomicDecrement32(&RefCount);
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if (Count == 0 && AbstractTypeUsers.empty())
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sys::cas_flag OldCount = sys::AtomicDecrement(&RefCount);
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if (OldCount == 0 && AbstractTypeUsers.empty())
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this->destroy();
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}
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@ -112,7 +112,8 @@ static inline size_t getMemUsage() {
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}
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struct TimeRecord {
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int64_t Elapsed, UserTime, SystemTime, MemUsed;
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double Elapsed, UserTime, SystemTime;
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ssize_t MemUsed;
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};
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static TimeRecord getTimeRecord(bool Start) {
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@ -122,7 +123,7 @@ static TimeRecord getTimeRecord(bool Start) {
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sys::TimeValue user(0,0);
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sys::TimeValue sys(0,0);
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int64_t MemUsed = 0;
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ssize_t MemUsed = 0;
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if (Start) {
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MemUsed = getMemUsage();
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sys::Process::GetTimeUsage(now,user,sys);
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@ -131,9 +132,9 @@ static TimeRecord getTimeRecord(bool Start) {
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MemUsed = getMemUsage();
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}
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Result.Elapsed = now.seconds() * 1000000 + now.microseconds();
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Result.UserTime = user.seconds() * 1000000 + user.microseconds();
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Result.SystemTime = sys.seconds() * 1000000 + sys.microseconds();
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Result.Elapsed = now.seconds() + now.microseconds() / 1000000.0;
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Result.UserTime = user.seconds() + user.microseconds() / 1000000.0;
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Result.SystemTime = sys.seconds() + sys.microseconds() / 1000000.0;
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Result.MemUsed = MemUsed;
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return Result;
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@ -182,11 +183,11 @@ void Timer::sum(const Timer &T) {
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/// currently active timers, which will be printed when the timer group prints
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///
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void Timer::addPeakMemoryMeasurement() {
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int64_t MemUsed = getMemUsage();
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size_t MemUsed = getMemUsage();
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for (std::vector<Timer*>::iterator I = ActiveTimers->begin(),
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E = ActiveTimers->end(); I != E; ++I)
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(*I)->PeakMem = std::max((*I)->PeakMem, (int64_t)MemUsed-(*I)->PeakMemBase);
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(*I)->PeakMem = std::max((*I)->PeakMem, MemUsed-(*I)->PeakMemBase);
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}
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//===----------------------------------------------------------------------===//
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@ -276,13 +277,12 @@ static void printVal(double Val, double Total, std::ostream &OS) {
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void Timer::print(const Timer &Total, std::ostream &OS) {
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if (Total.UserTime)
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printVal(UserTime / 1000000.0, Total.UserTime / 1000000.0, OS);
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printVal(UserTime, Total.UserTime, OS);
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if (Total.SystemTime)
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printVal(SystemTime / 1000000.0, Total.SystemTime / 1000000.0, OS);
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printVal(SystemTime, Total.SystemTime, OS);
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if (Total.getProcessTime())
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printVal(getProcessTime() / 1000000.0,
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Total.getProcessTime() / 1000000.0, OS);
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printVal(Elapsed / 1000000.0, Total.Elapsed / 1000000.0, OS);
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printVal(getProcessTime(), Total.getProcessTime(), OS);
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printVal(Elapsed, Total.Elapsed, OS);
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OS << " ";
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@ -355,23 +355,23 @@ void TimerGroup::removeTimer() {
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if (this != DefaultTimerGroup) {
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*OutStream << " Total Execution Time: ";
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printAlignedFP(Total.getProcessTime() / 1000000.0, 4, 5, *OutStream);
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printAlignedFP(Total.getProcessTime(), 4, 5, *OutStream);
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*OutStream << " seconds (";
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printAlignedFP(Total.getWallTime() / 1000000.0, 4, 5, *OutStream);
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printAlignedFP(Total.getWallTime(), 4, 5, *OutStream);
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*OutStream << " wall clock)\n";
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}
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*OutStream << "\n";
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if (Total.UserTime / 1000000.0)
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if (Total.UserTime)
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*OutStream << " ---User Time---";
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if (Total.SystemTime / 1000000.0)
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if (Total.SystemTime)
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*OutStream << " --System Time--";
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if (Total.getProcessTime() / 1000000.0)
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if (Total.getProcessTime())
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*OutStream << " --User+System--";
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*OutStream << " ---Wall Time---";
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if (Total.getMemUsed() / 1000000.0)
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if (Total.getMemUsed())
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*OutStream << " ---Mem---";
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if (Total.getPeakMem() / 1000000.0)
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if (Total.getPeakMem())
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*OutStream << " -PeakMem-";
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*OutStream << " --- Name ---\n";
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@ -35,11 +35,11 @@ void sys::MemoryFence() {
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#endif
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}
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uint32_t sys::CompareAndSwap32(volatile uint32_t* ptr,
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uint32_t new_value,
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uint32_t old_value) {
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sys::cas_flag sys::CompareAndSwap(volatile sys::cas_flag* ptr,
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sys::cas_flag new_value,
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sys::cas_flag old_value) {
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#if LLVM_MULTITHREADED==0
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uint32_t result = *ptr;
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sys::cas_flag result = *ptr;
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if (result == old_value)
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*ptr = new_value;
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return result;
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@ -52,7 +52,7 @@ uint32_t sys::CompareAndSwap32(volatile uint32_t* ptr,
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#endif
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}
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int32_t sys::AtomicIncrement32(volatile int32_t* ptr) {
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sys::cas_flag sys::AtomicIncrement(volatile sys::cas_flag* ptr) {
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#if LLVM_MULTITHREADED==0
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++(*ptr);
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return *ptr;
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@ -65,7 +65,7 @@ int32_t sys::AtomicIncrement32(volatile int32_t* ptr) {
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#endif
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}
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int32_t sys::AtomicDecrement32(volatile int32_t* ptr) {
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sys::cas_flag sys::AtomicDecrement(volatile sys::cas_flag* ptr) {
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#if LLVM_MULTITHREADED==0
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--(*ptr);
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return *ptr;
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@ -78,7 +78,7 @@ int32_t sys::AtomicDecrement32(volatile int32_t* ptr) {
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#endif
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}
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int32_t sys::AtomicAdd32(volatile int32_t* ptr, int32_t val) {
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sys::cas_flag sys::AtomicAdd(volatile sys::cas_flag* ptr, sys::cas_flag val) {
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#if LLVM_MULTITHREADED==0
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*ptr += val;
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return *ptr;
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@ -91,16 +91,4 @@ int32_t sys::AtomicAdd32(volatile int32_t* ptr, int32_t val) {
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#endif
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}
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int64_t sys::AtomicAdd64(volatile int64_t* ptr, int64_t val) {
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#if LLVM_MULTITHREADED==0
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*ptr += val;
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return *ptr;
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#elif defined(__GNUC__)
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return __sync_add_and_fetch(ptr, val);
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#elif defined(_MSC_VER)
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return InterlockedAdd64(ptr, val);
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#else
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# error No atomic add implementation for your platform!
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#endif
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}
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} else if (!GV->hasName()) {
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// Must mangle the global into a unique ID.
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unsigned TypeUniqueID = getTypeID(GV->getType());
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static int32_t GlobalID = 0;
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static uint32_t GlobalID = 0;
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int32_t OldID = GlobalID;
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sys::AtomicIncrement32(&GlobalID);
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unsigned OldID = GlobalID;
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sys::AtomicIncrement(&GlobalID);
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Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(OldID);
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} else {
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