Test CSEL-BOTH-02

AArch64 CSEL-BOTH-02
(*
Dependency chain through the selected or non-selected argument of CSEL
*)
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X4=z; 1:X6=a; 1:X9=x; 1:X11=0; 1:X13=w;
2:X1=w;
}
 P0          | P1                  | P2          ;
 MOV W0,#1   | LDR W0,[X1]         | MOV W0,#1   ;
 STR W0,[X1] | AND W2,W0,#128      | STR W0,[X1] ;
 DMB ST      | LDR W12,[X13]       |             ; 
 MOV W2,#1   | CMP W12,#0          |             ;
 STR W2,[X3] | CSEL W7,W11,W2,NE   |             ;
             | LDR W8,[X9,W7,SXTW] |             ;

locations [1:X12;]
exists
(1:X0=1 /\ 1:X8=0)