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Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets

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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
This commit is contained in:
Owen Anderson 2009-06-23 20:17:22 +00:00
parent dcee684755
commit 6f2c64d70a
6 changed files with 50 additions and 63 deletions
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20
include/llvm/Support/Timer.h
View File

@ -34,12 +34,12 @@ class TimerGroup;
/// if they are never started.
///
class Timer {
int64_t Elapsed; // Wall clock time elapsed in seconds
int64_t UserTime; // User time elapsed
int64_t SystemTime; // System time elapsed
int64_t MemUsed; // Memory allocated (in bytes)
int64_t PeakMem; // Peak memory used
int64_t PeakMemBase; // Temporary for peak calculation...
double Elapsed; // Wall clock time elapsed in seconds
double UserTime; // User time elapsed
double SystemTime; // System time elapsed
ssize_t MemUsed; // Memory allocated (in bytes)
size_t PeakMem; // Peak memory used
size_t PeakMemBase; // Temporary for peak calculation...
std::string Name; // The name of this time variable
bool Started; // Has this time variable ever been started?
TimerGroup *TG; // The TimerGroup this Timer is in.
@ -49,10 +49,10 @@ public:
Timer(const Timer &T);
~Timer();
int64_t getProcessTime() const { return UserTime+SystemTime; }
int64_t getWallTime() const { return Elapsed; }
int64_t getMemUsed() const { return MemUsed; }
int64_t getPeakMem() const { return PeakMem; }
double getProcessTime() const { return UserTime+SystemTime; }
double getWallTime() const { return Elapsed; }
ssize_t getMemUsed() const { return MemUsed; }
size_t getPeakMem() const { return PeakMem; }
std::string getName() const { return Name; }
const Timer &operator=(const Timer &T) {

15
include/llvm/System/Atomic.h
View File

@ -20,14 +20,13 @@ namespace llvm {
namespace sys {
void MemoryFence();
uint32_t CompareAndSwap32(volatile uint32_t* ptr,
uint32_t new_value,
uint32_t old_value);
int32_t AtomicIncrement32(volatile int32_t* ptr);
int32_t AtomicDecrement32(volatile int32_t* ptr);
int32_t AtomicAdd32(volatile int32_t* ptr, int32_t val);
int64_t AtomicAdd64(volatile int64_t* ptr, int64_t val);
typedef uint32_t cas_flag;
cas_flag CompareAndSwap(volatile cas_flag* ptr,
cas_flag new_value,
cas_flag old_value);
cas_flag AtomicIncrement(volatile cas_flag* ptr);
cas_flag AtomicDecrement(volatile cas_flag* ptr);
cas_flag AtomicAdd(volatile cas_flag* ptr, cas_flag val);
}
}

8
include/llvm/Type.h
View File

@ -103,7 +103,7 @@ private:
/// has no AbstractTypeUsers, the type is deleted. This is only sensical for
/// derived types.
///
mutable int32_t RefCount;
mutable sys::cas_flag RefCount;
const Type *getForwardedTypeInternal() const;
@ -338,7 +338,7 @@ public:
void addRef() const {
assert(isAbstract() && "Cannot add a reference to a non-abstract type!");
sys::AtomicIncrement32(&RefCount);
sys::AtomicIncrement(&RefCount);
}
void dropRef() const {
@ -347,8 +347,8 @@ public:
// If this is the last PATypeHolder using this object, and there are no
// PATypeHandles using it, the type is dead, delete it now.
int32_t Count = sys::AtomicDecrement32(&RefCount);
if (Count == 0 && AbstractTypeUsers.empty())
sys::cas_flag OldCount = sys::AtomicDecrement(&RefCount);
if (OldCount == 0 && AbstractTypeUsers.empty())
this->destroy();
}

38
lib/Support/Timer.cpp
View File

@ -112,7 +112,8 @@ static inline size_t getMemUsage() {
}
struct TimeRecord {
int64_t Elapsed, UserTime, SystemTime, MemUsed;
double Elapsed, UserTime, SystemTime;
ssize_t MemUsed;
};
static TimeRecord getTimeRecord(bool Start) {
@ -122,7 +123,7 @@ static TimeRecord getTimeRecord(bool Start) {
sys::TimeValue user(0,0);
sys::TimeValue sys(0,0);
int64_t MemUsed = 0;
ssize_t MemUsed = 0;
if (Start) {
MemUsed = getMemUsage();
sys::Process::GetTimeUsage(now,user,sys);
@ -131,9 +132,9 @@ static TimeRecord getTimeRecord(bool Start) {
MemUsed = getMemUsage();
}
Result.Elapsed = now.seconds() * 1000000 + now.microseconds();
Result.UserTime = user.seconds() * 1000000 + user.microseconds();
Result.SystemTime = sys.seconds() * 1000000 + sys.microseconds();
Result.Elapsed = now.seconds() + now.microseconds() / 1000000.0;
Result.UserTime = user.seconds() + user.microseconds() / 1000000.0;
Result.SystemTime = sys.seconds() + sys.microseconds() / 1000000.0;
Result.MemUsed = MemUsed;
return Result;
@ -182,11 +183,11 @@ void Timer::sum(const Timer &T) {
/// currently active timers, which will be printed when the timer group prints
///
void Timer::addPeakMemoryMeasurement() {
int64_t MemUsed = getMemUsage();
size_t MemUsed = getMemUsage();
for (std::vector<Timer*>::iterator I = ActiveTimers->begin(),
E = ActiveTimers->end(); I != E; ++I)
(*I)->PeakMem = std::max((*I)->PeakMem, (int64_t)MemUsed-(*I)->PeakMemBase);
(*I)->PeakMem = std::max((*I)->PeakMem, MemUsed-(*I)->PeakMemBase);
}
//===----------------------------------------------------------------------===//
@ -276,13 +277,12 @@ static void printVal(double Val, double Total, std::ostream &OS) {
void Timer::print(const Timer &Total, std::ostream &OS) {
if (Total.UserTime)
printVal(UserTime / 1000000.0, Total.UserTime / 1000000.0, OS);
printVal(UserTime, Total.UserTime, OS);
if (Total.SystemTime)
printVal(SystemTime / 1000000.0, Total.SystemTime / 1000000.0, OS);
printVal(SystemTime, Total.SystemTime, OS);
if (Total.getProcessTime())
printVal(getProcessTime() / 1000000.0,
Total.getProcessTime() / 1000000.0, OS);
printVal(Elapsed / 1000000.0, Total.Elapsed / 1000000.0, OS);
printVal(getProcessTime(), Total.getProcessTime(), OS);
printVal(Elapsed, Total.Elapsed, OS);
OS << " ";
@ -355,23 +355,23 @@ void TimerGroup::removeTimer() {
if (this != DefaultTimerGroup) {
*OutStream << " Total Execution Time: ";
printAlignedFP(Total.getProcessTime() / 1000000.0, 4, 5, *OutStream);
printAlignedFP(Total.getProcessTime(), 4, 5, *OutStream);
*OutStream << " seconds (";
printAlignedFP(Total.getWallTime() / 1000000.0, 4, 5, *OutStream);
printAlignedFP(Total.getWallTime(), 4, 5, *OutStream);
*OutStream << " wall clock)\n";
}
*OutStream << "\n";
if (Total.UserTime / 1000000.0)
if (Total.UserTime)
*OutStream << " ---User Time---";
if (Total.SystemTime / 1000000.0)
if (Total.SystemTime)
*OutStream << " --System Time--";
if (Total.getProcessTime() / 1000000.0)
if (Total.getProcessTime())
*OutStream << " --User+System--";
*OutStream << " ---Wall Time---";
if (Total.getMemUsed() / 1000000.0)
if (Total.getMemUsed())
*OutStream << " ---Mem---";
if (Total.getPeakMem() / 1000000.0)
if (Total.getPeakMem())
*OutStream << " -PeakMem-";
*OutStream << " --- Name ---\n";

26
lib/System/Atomic.cpp
View File

@ -35,11 +35,11 @@ void sys::MemoryFence() {
#endif
}
uint32_t sys::CompareAndSwap32(volatile uint32_t* ptr,
uint32_t new_value,
uint32_t old_value) {
sys::cas_flag sys::CompareAndSwap(volatile sys::cas_flag* ptr,
sys::cas_flag new_value,
sys::cas_flag old_value) {
#if LLVM_MULTITHREADED==0
uint32_t result = *ptr;
sys::cas_flag result = *ptr;
if (result == old_value)
*ptr = new_value;
return result;
@ -52,7 +52,7 @@ uint32_t sys::CompareAndSwap32(volatile uint32_t* ptr,
#endif
}
int32_t sys::AtomicIncrement32(volatile int32_t* ptr) {
sys::cas_flag sys::AtomicIncrement(volatile sys::cas_flag* ptr) {
#if LLVM_MULTITHREADED==0
++(*ptr);
return *ptr;
@ -65,7 +65,7 @@ int32_t sys::AtomicIncrement32(volatile int32_t* ptr) {
#endif
}
int32_t sys::AtomicDecrement32(volatile int32_t* ptr) {
sys::cas_flag sys::AtomicDecrement(volatile sys::cas_flag* ptr) {
#if LLVM_MULTITHREADED==0
--(*ptr);
return *ptr;
@ -78,7 +78,7 @@ int32_t sys::AtomicDecrement32(volatile int32_t* ptr) {
#endif
}
int32_t sys::AtomicAdd32(volatile int32_t* ptr, int32_t val) {
sys::cas_flag sys::AtomicAdd(volatile sys::cas_flag* ptr, sys::cas_flag val) {
#if LLVM_MULTITHREADED==0
*ptr += val;
return *ptr;
@ -91,16 +91,4 @@ int32_t sys::AtomicAdd32(volatile int32_t* ptr, int32_t val) {
#endif
}
int64_t sys::AtomicAdd64(volatile int64_t* ptr, int64_t val) {
#if LLVM_MULTITHREADED==0
*ptr += val;
return *ptr;
#elif defined(__GNUC__)
return __sync_add_and_fetch(ptr, val);
#elif defined(_MSC_VER)
return InterlockedAdd64(ptr, val);
#else
# error No atomic add implementation for your platform!
#endif
}

6
lib/VMCore/Mangler.cpp
View File

@ -165,10 +165,10 @@ std::string Mangler::getValueName(const GlobalValue *GV, const char * Suffix) {
} else if (!GV->hasName()) {
// Must mangle the global into a unique ID.
unsigned TypeUniqueID = getTypeID(GV->getType());
static int32_t GlobalID = 0;
static uint32_t GlobalID = 0;
int32_t OldID = GlobalID;
sys::AtomicIncrement32(&GlobalID);
unsigned OldID = GlobalID;
sys::AtomicIncrement(&GlobalID);
Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(OldID);
} else {