#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
+// Handle the Pass registration stuff neccesary to use TargetData's.
+namespace {
+ // Register the default SparcV9 implementation...
+ RegisterPass<TargetData> X("targetdata", "Target Data Layout");
+}
+
+
static inline void getTypeInfo(const Type *Ty, const TargetData *TD,
uint64_t &Size, unsigned char &Alignment);
//===----------------------------------------------------------------------===//
TargetData::TargetData(const std::string &TargetName,
- unsigned char IntRegSize, unsigned char PtrSize,
- unsigned char PtrAl, unsigned char DoubleAl,
- unsigned char FloatAl, unsigned char LongAl,
- unsigned char IntAl, unsigned char ShortAl,
- unsigned char ByteAl)
+ bool isLittleEndian, unsigned char SubWordSize,
+ unsigned char IntRegSize, unsigned char PtrSize,
+ unsigned char PtrAl, unsigned char DoubleAl,
+ unsigned char FloatAl, unsigned char LongAl,
+ unsigned char IntAl, unsigned char ShortAl,
+ unsigned char ByteAl)
: AID(AnnotationManager::getID("TargetData::" + TargetName)) {
AnnotationManager::registerAnnotationFactory(AID, TypeAnFactory, this);
+ LittleEndian = isLittleEndian;
+ SubWordDataSize = SubWordSize;
IntegerRegSize = IntRegSize;
PointerSize = PtrSize;
PointerAlignment = PtrAl;
Ty = cast<SequentialType>(Ty)->getElementType();
// Get the array index and the size of each array element.
- // Both must be known constants, or this will fail.
- // Also, the product needs to be sign-extended from 32 to 64 bits.
- int64_t elementSize = (int64_t)getTypeSize(Ty);
+ // Both must be known constants, or the index shd be 0; else this fails.
int64_t arrayIdx = cast<ConstantSInt>(Idx[CurIDX])->getValue();
- Result += (uint64_t)(arrayIdx * elementSize);
+ Result += arrayIdx == 0? 0
+ : (uint64_t) (arrayIdx * (int64_t) getTypeSize(Ty));
} else if (const StructType *STy = dyn_cast<const StructType>(Ty)) {
assert(Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx");