let SubRegs = subregs;
}
+// DAGOperand - An empty base class that unifies RegisterClass's and other forms
+// of Operand's that are legal as type qualifiers in DAG patterns. This should
+// only ever be used for defining multiclasses that are polymorphic over both
+// RegisterClass's and other Operand's.
+class DAGOperand { }
+
// RegisterClass - Now that all of the registers are defined, and aliases
// between registers are defined, specify which registers belong to which
// register classes. This also defines the default allocation order of
// registers by register allocators.
//
class RegisterClass<string namespace, list<ValueType> regTypes, int alignment,
- dag regList, RegAltNameIndex idx = NoRegAltName> {
+ dag regList, RegAltNameIndex idx = NoRegAltName>
+ : DAGOperand {
string Namespace = namespace;
// RegType - Specify the list ValueType of the registers in this register
/// Operand Types - These provide the built-in operand types that may be used
/// by a target. Targets can optionally provide their own operand types as
/// needed, though this should not be needed for RISC targets.
-class Operand<ValueType ty> {
+class Operand<ValueType ty> : DAGOperand {
ValueType Type = ty;
string PrintMethod = "printOperand";
string EncoderMethod = "";