#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;
assert(isa<PointerType>(Ty) && "Illegal argument for getIndexedOffset()");
uint64_t Result = 0;
- for (unsigned CurIDX = 0; CurIDX < Idx.size(); ++CurIDX) {
- if (Idx[CurIDX]->getType() == Type::UIntTy) {
+ for (unsigned CurIDX = 0; CurIDX != Idx.size(); ++CurIDX) {
+ if (Idx[CurIDX]->getType() == Type::LongTy) {
// Update Ty to refer to current element
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 arrayIdx needs to be sign-extended from uint
- // to the machine register size if the reg. size > sizeof(uint).
- uint64_t elementSize = this->getTypeSize(Ty);
- uint64_t arrayIdx = cast<ConstantUInt>(Idx[CurIDX])->getValue();
- if (getIntegerRegize() > sizeof(uint)) {
- arrayIdx = (uint64_t) (int) arrayIdx; // sign-extend from 32 to 64 bits
- }
- Result += arrayIdx * elementSize;
+ // Both must be known constants, or the index shd be 0; else this fails.
+ int64_t arrayIdx = cast<ConstantSInt>(Idx[CurIDX])->getValue();
+ 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");