v.AddArg(v0)
		return true
	}
}
func rewriteValueAMD64_OpBitLen16(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (BitLen16 x)
	// cond: buildcfg.GOAMD64 < 3
	// result: (BSRL (LEAL1 <typ.UInt32> [1] (MOVWQZX <typ.UInt32> x) (MOVWQZX <typ.UInt32> x)))
	for {
		x := v_0
		if !(buildcfg.GOAMD64 < 3) {
			break
		}