+class PredicateOperand<ValueType ty, dag OpTypes, dag AlwaysVal>
+ : Operand<ty> {
+ let MIOperandInfo = OpTypes;
+ dag DefaultOps = AlwaysVal;
+}
+
+/// OptionalDefOperand - This is used to define a optional definition operand
+/// for an instruction. DefaultOps is the register the operand represents if none
+/// is supplied, e.g. zero_reg.
+class OptionalDefOperand<ValueType ty, dag OpTypes, dag defaultops>
+ : Operand<ty> {