; CHECK: f2
; CHECK: mov r0, r0, lsr r2
; CHECK-NEXT: rsb r3, r2, #32
-; CHECK-NEXT: sub r2, r2, #32
-; CHECK-NEXT: cmp r2, #0
+; CHECK-NEXT: subs r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: movge r0, r1, asr r2
%a = ashr i64 %x, %y
; CHECK: f3
; CHECK: mov r0, r0, lsr r2
; CHECK-NEXT: rsb r3, r2, #32
-; CHECK-NEXT: sub r2, r2, #32
-; CHECK-NEXT: cmp r2, #0
+; CHECK-NEXT: subs r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: movge r0, r1, lsr r2
%a = lshr i64 %x, %y