LLVMContext &Context,
bool RoundToAlign)
: DL(DL), TLI(TLI), RoundToAlign(RoundToAlign) {
- IntegerType *IntTy = DL->getIntPtrType(Context);
- IntTyBits = IntTy->getBitWidth();
- Zero = APInt::getNullValue(IntTyBits);
+ // Pointer size must be rechecked for each object visited since it could have
+ // a different address space.
}
SizeOffsetType ObjectSizeOffsetVisitor::compute(Value *V) {
+ IntTyBits = DL->getPointerTypeSizeInBits(V->getType());
+ Zero = APInt::getNullValue(IntTyBits);
+
V = V->stripPointerCasts();
if (Instruction *I = dyn_cast<Instruction>(V)) {
// If we have already seen this instruction, bail out. Cycles can happen in
bool RoundToAlign)
: DL(DL), TLI(TLI), Context(Context), Builder(Context, TargetFolder(DL)),
RoundToAlign(RoundToAlign) {
- IntTy = DL->getIntPtrType(Context);
- Zero = ConstantInt::get(IntTy, 0);
+ // IntTy and Zero must be set for each compute() since the address space may
+ // be different for later objects.
}
SizeOffsetEvalType ObjectSizeOffsetEvaluator::compute(Value *V) {
+ // XXX - Are vectors of pointers possible here?
+ IntTy = cast<IntegerType>(DL->getIntPtrType(V->getType()));
+ Zero = ConstantInt::get(IntTy, 0);
+
SizeOffsetEvalType Result = compute_(V);
if (!bothKnown(Result)) {