/// getIntPtrType - Return an integer type that is the same size or
/// greater to the pointer size of the specific PointerType.
IntegerType *DataLayout::getIntPtrType(Type *Ty) const {
- LLVMContext &C = Ty->getContext();
- // For pointers, we return the size for the specific address space.
- if (Ty->isPointerTy()) return IntegerType::get(C, getTypeSizeInBits(Ty));
- // For vector of pointers, we return the size of the address space
- // of the pointer type.
- if (Ty->isVectorTy() && cast<VectorType>(Ty)->getElementType()->isPointerTy())
- return IntegerType::get(C,
- getTypeSizeInBits(cast<VectorType>(Ty)->getElementType()));
- // Otherwise return the address space for the default address space.
- // An example of this occuring is that you want to get the IntPtr
- // for all of the arguments in a function. However, the IntPtr
- // for a non-pointer type cannot be determined by the type, so
- // the default value is used.
- return getIntPtrType(C, 0);
+ unsigned NumBits = getPointerTypeSizeInBits(Ty);
+ return IntegerType::get(Ty->getContext(), NumBits);
}