///
template <typename IndexTy>
static Type *getIndexedTypeInternal(Type *Ptr, ArrayRef<IndexTy> IdxList) {
+ if (Ptr->isVectorTy()) {
+ assert(IdxList.size() == 1 &&
+ "GEP with vector pointers must have a single index");
+ PointerType *PTy = dyn_cast<PointerType>(
+ cast<VectorType>(Ptr)->getElementType());
+ assert(PTy && "Gep with invalid vector pointer found");
+ return PTy->getElementType();
+ }
+
PointerType *PTy = dyn_cast<PointerType>(Ptr);
if (!PTy) return 0; // Type isn't a pointer type!
Type *Agg = PTy->getElementType();
// Handle the special case of the empty set index set, which is always valid.
if (IdxList.empty())
return Agg;
-
+
// If there is at least one index, the top level type must be sized, otherwise
// it cannot be 'stepped over'.
if (!Agg->isSized())
return getIndexedTypeInternal(Ptr, IdxList);
}
+unsigned GetElementPtrInst::getAddressSpace(Value *Ptr) {
+ Type *Ty = Ptr->getType();
+
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
+ Ty = VTy->getElementType();
+
+ if (PointerType *PTy = dyn_cast<PointerType>(Ty))
+ return PTy->getAddressSpace();
+
+ assert(false && "Invalid GEP pointer type");
+ return 0;
+}
+
/// hasAllZeroIndices - Return true if all of the indices of this GEP are
/// zeros. If so, the result pointer and the first operand have the same
/// value, just potentially different types.
return SrcTy->isFPOrFPVectorTy() && DstTy->isIntOrIntVectorTy() &&
SrcLength == DstLength;
case Instruction::PtrToInt:
- return SrcTy->isPointerTy() && DstTy->isIntegerTy();
+ if (SrcTy->getNumElements() != DstTy->getNumElements())
+ return false;
+ return SrcTy->getScalarType()->isPointerTy() &&
+ DstTy->getScalarType()->isIntegerTy();
case Instruction::IntToPtr:
- return SrcTy->isIntegerTy() && DstTy->isPointerTy();
+ if (SrcTy->getNumElements() != DstTy->getNumElements())
+ return false;
+ return SrcTy->getScalarType()->isIntegerTy() &&
+ DstTy->getScalarType()->isPointerTy();
case Instruction::BitCast:
// BitCast implies a no-op cast of type only. No bits change.
// However, you can't cast pointers to anything but pointers.