#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/System/Mutex.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringExtras.h"
#include <algorithm>
}
static ManagedStatic<LayoutInfoTy> LayoutInfo;
+static ManagedStatic<sys::SmartMutex<true> > LayoutLock;
TargetData::~TargetData() {
if (!LayoutInfo.isConstructed())
return;
+ sys::SmartScopedLock<true> Lock(&*LayoutLock);
// Remove any layouts for this TD.
LayoutInfoTy &TheMap = *LayoutInfo;
for (LayoutInfoTy::iterator I = TheMap.begin(), E = TheMap.end(); I != E; ) {
const StructLayout *TargetData::getStructLayout(const StructType *Ty) const {
LayoutInfoTy &TheMap = *LayoutInfo;
+ sys::SmartScopedLock<true> Lock(&*LayoutLock);
StructLayout *&SL = TheMap[LayoutKey(this, Ty)];
if (SL) return SL;
void TargetData::InvalidateStructLayoutInfo(const StructType *Ty) const {
if (!LayoutInfo.isConstructed()) return; // No cache.
+ sys::SmartScopedLock<true> Lock(&*LayoutLock);
LayoutInfoTy::iterator I = LayoutInfo->find(LayoutKey(this, Ty));
if (I == LayoutInfo->end()) return;
/// getIntPtrType - Return an unsigned integer type that is the same size or
/// greater to the host pointer size.
-const Type *TargetData::getIntPtrType() const {
+const IntegerType *TargetData::getIntPtrType() const {
return IntegerType::get(getPointerSizeInBits());
}