; CHECK-NEXT: i32 1, label %inc.us
; CHECK: inc.us: ; preds = %loop_begin.us
-; CHECK-NEXT: call void @incf() noreturn nounwind
+; CHECK-NEXT: call void @incf() [[NOR_NUW:#[0-9]+]]
; CHECK-NEXT: br label %loop_begin.backedge.us
; CHECK: .split: ; preds = %..split_crit_edge
; CHECK-NEXT: ]
; CHECK: dec.us3: ; preds = %loop_begin.us1
-; CHECK-NEXT: call void @decf() noreturn nounwind
+; CHECK-NEXT: call void @decf() [[NOR_NUW]]
; CHECK-NEXT: br label %loop_begin.backedge.us5
; CHECK: .split.split: ; preds = %.split..split.split_crit_edge
declare void @incf() noreturn
declare void @decf() noreturn
+
+; CHECK: attributes #0 = { noreturn }
+; CHECK: attributes [[NOR_NUW]] = { noreturn nounwind }