- %0 = cmpxchg i64* @val, i64 0, i64 1 monotonic
- %1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind
+ %t0 = cmpxchg i64* @val, i64 0, i64 1 monotonic monotonic
+ %0 = extractvalue { i64, i1 } %t0, 0
+ %1 = tail call i32 (i8*, ...) @printf(i8* getelementptr ([7 x i8], [7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind