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Simplify. 

llvm-svn: 73723
This commit is contained in:
Owen Anderson 2009-06-18 20:56:48 +00:00
parent 5a6960fcc3
commit 7f1ef67a7b
1 changed files with 7 additions and 15 deletions
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22
llvm/lib/VMCore/Function.cpp
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@ -233,37 +233,30 @@ void Function::removeAttribute(unsigned i, Attributes attr) {
// use GC.
static DenseMap<const Function*,PooledStringPtr> *GCNames;
static StringPool *GCNamePool;
static ManagedStatic<sys::RWMutex> GCLock;
static ManagedStatic<sys::SmartRWMutex<true> > GCLock;
bool Function::hasGC() const {
if (llvm_is_multithreaded()) {
sys::ScopedReader Reader(&*GCLock);
return GCNames && GCNames->count(this);
} else
return GCNames && GCNames->count(this);
sys::SmartScopedReader<true> Reader(&*GCLock);
return GCNames && GCNames->count(this);
}
const char *Function::getGC() const {
assert(hasGC() && "Function has no collector");
if (llvm_is_multithreaded()) {
sys::ScopedReader Reader(&*GCLock);
return *(*GCNames)[this];
} else
return *(*GCNames)[this];
sys::SmartScopedReader<true> Reader(&*GCLock);
return *(*GCNames)[this];
}
void Function::setGC(const char *Str) {
if (llvm_is_multithreaded()) GCLock->writer_acquire();
sys::SmartScopedWriter<true> Writer(&*GCLock);
if (!GCNamePool)
GCNamePool = new StringPool();
if (!GCNames)
GCNames = new DenseMap<const Function*,PooledStringPtr>();
(*GCNames)[this] = GCNamePool->intern(Str);
if (llvm_is_multithreaded()) GCLock->writer_release();
}
void Function::clearGC() {
if (llvm_is_multithreaded()) GCLock->writer_acquire();
sys::SmartScopedWriter<true> Writer(&*GCLock);
if (GCNames) {
GCNames->erase(this);
if (GCNames->empty()) {
@ -275,7 +268,6 @@ void Function::clearGC() {
}
}
}
if (llvm_is_multithreaded()) GCLock->writer_release();
}
/// copyAttributesFrom - copy all additional attributes (those not needed to