v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (CMPBconstload {sym} [vo] ptr mem)
	// cond: vo.Val() == 0
	// result: (TESTB x:(MOVBload {sym} [vo.Off()] ptr mem) x)
	for {
		vo := auxIntToValAndOff(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		mem := v_1
		if !(vo.Val() == 0) {
			break
		}
		v.reset(OpAMD64TESTB)
		x := b.NewValue0(v.Pos, OpAMD64MOVBload, typ.UInt8)