Test CoRR1

AArch64 CoRR1
"Rfe PosRR Fre"
Prefetch=
Com=Rf Fr
Orig=Rfe PosRR Fre
{
x=1;
0:X1=x;
1:X1=x;
}
 P0          | P1          ;
 MOV W0,#2   | LDR W0,[X1] ;
 STR W0,[X1] | LDR W2,[X1] ;
exists
(1:X0=2 /\ 1:X2=1)