|  | // RUN: %clang_cc1 -triple x86_64-apple-darwin -Wno-int-conversion %s -emit-llvm -o - | FileCheck %s | 
|  |  | 
|  | int* foo(int** a, int* b, int* c) { | 
|  | return __sync_val_compare_and_swap (a, b, c); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} ptr @foo | 
|  | // CHECK: cmpxchg {{.*}}, align 8 | 
|  |  | 
|  | int foo2(int** a, int* b, int* c) { | 
|  | return __sync_bool_compare_and_swap (a, b, c); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} i32 @foo2 | 
|  | // CHECK: cmpxchg {{.*}}, align 8 | 
|  |  | 
|  | int* foo3(int** a, int b) { | 
|  | return __sync_fetch_and_add (a, b); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} ptr @foo3 | 
|  | // CHECK: atomicrmw add {{.*}}, align 8 | 
|  |  | 
|  |  | 
|  | int* foo4(int** a, int b) { | 
|  | return __sync_fetch_and_sub (a, b); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} ptr @foo4 | 
|  | // CHECK: atomicrmw sub {{.*}}, align 8 | 
|  |  | 
|  |  | 
|  | int* foo5(int** a, int* b) { | 
|  | return __sync_lock_test_and_set (a, b); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} ptr @foo5 | 
|  | // CHECK: atomicrmw xchg {{.*}}, align 8 | 
|  |  | 
|  |  | 
|  | int* foo6(int** a, int*** b) { | 
|  | return __sync_lock_test_and_set (a, b); | 
|  | } | 
|  | // CHECK-LABEL: define{{.*}} ptr @foo6 | 
|  | // CHECK: atomicrmw xchg {{.*}}, align 8 |