define i64 @f0(i64 %A, i64 %B) {
; CHECK: f0
-; CHECK: rrx
+; CHECK: movs r3, r3, lsr #1
+; CHECK-NEXT: mov r2, r2, rrx
+; CHECK-NEXT: subs r0, r0, r2
+; CHECK-NEXT: sbc r1, r1, r3
%tmp = bitcast i64 %A to i64
%tmp2 = lshr i64 %B, 1
%tmp3 = sub i64 %tmp, %tmp2
define i32 @f1(i64 %x, i64 %y) {
; CHECK: f1
-; CHECK: __ashldi3
+; CHECK: lsl{{.*}}r2
%a = shl i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
define i32 @f2(i64 %x, i64 %y) {
; CHECK: f2
-; CHECK: __ashrdi3
+; CHECK: lsr{{.*}}r2
+; CHECK-NEXT: rsb r3, r2, #32
+; 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
%b = trunc i64 %a to i32
ret i32 %b
define i32 @f3(i64 %x, i64 %y) {
; CHECK: f3
-; CHECK: __lshrdi3
+; CHECK: lsr{{.*}}r2
+; CHECK-NEXT: rsb r3, r2, #32
+; 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
%b = trunc i64 %a to i32
ret i32 %b