// in their output.
	switch v.Op {
	case OpPPC64SUBC, OpPPC64ADDC, OpPPC64SUBCconst, OpPPC64ADDCconst:
		return true
	}
	return false
}

// hasFlagInput reports whether v has a flag value as any of its inputs.
func (v *Value) hasFlagInput() bool {
	for _, a := range v.Args {
		if a.isFlagOp() {
			return true
		}
	}
	// PPC64 carry dependencies are conveyed through their final argument,