/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ Constant *getMask() const {
+ return reinterpret_cast<Constant*>(getOperand(2));
+ }
+
/// getMaskValue - Return the index from the shuffle mask for the specified
/// output result. This is either -1 if the element is undef or a number less
/// than 2*numelements.
- int getMaskValue(unsigned i) const;
+ static int getMaskValue(Constant *Mask, unsigned i);
+
+ int getMaskValue(unsigned i) const {
+ return getMaskValue(getMask(), i);
+ }
+
+ /// getShuffleMask - Return the full mask for this instruction, where each
+ /// element is the element number and undef's are returned as -1.
+ static void getShuffleMask(Constant *Mask, SmallVectorImpl<int> &Result);
+
+ void getShuffleMask(SmallVectorImpl<int> &Result) const {
+ return getShuffleMask(getMask(), Result);
+ }
+
+ SmallVector<int, 16> getShuffleMask() const {
+ SmallVector<int, 16> Mask;
+ getShuffleMask(Mask);
+ return Mask;
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ShuffleVectorInst *) { return true; }