public:
virtual ~VectorTargetTransformInfo() {}
+ enum ShuffleKind {
+ Broadcast, // Broadcast element 0 to all other elements.
+ Reverse // Reverse the order of the vector.
+ };
+
/// Returns the expected cost of arithmetic ops, such as mul, xor, fsub, etc.
virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const {
return 1;
}
- /// Returns the cost of a vector broadcast of a scalar at place zero to a
- /// vector of type 'Tp'.
- virtual unsigned getBroadcastCost(Type *Tp) const {
+ /// Returns the cost of a shuffle instruction of kind Kind and of type Tp.
+ virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp) const {
return 1;
}