text: // RUN: clang-cc %s -emit-llvm -o - -triple=i686-apple-darwin9 > %t1
  // RUN: grep @llvm.atomic.load.add.i32 %t1 | count 3
  // RUN: grep @llvm.atomic.load.sub.i8 %t1 | count 2
  // RUN: grep @llvm.atomic.load.min.i32 %t1
  // RUN: grep @llvm.atomic.load.max.i32 %t1
  // RUN: grep @llvm.atomic.load.umin.i32 %t1
  // RUN: grep @llvm.atomic.load.umax.i32 %t1
  // RUN: grep @llvm.atomic.swap.i32 %t1
  // RUN: grep @llvm.atomic.cmp.swap.i32 %t1 | count 4
  // RUN: grep @llvm.atomic.load.and.i32 %t1 | count 2
  // RUN: grep @llvm.atomic.load.or.i8 %t1
  // RUN: grep @llvm.atomic.load.xor.i8 %t1
  
  
  int atomic(void)
  {
    // non-sensical test for sync functions
    int old;
    int val = 1;
    char valc = 1;
    unsigned int uval = 1;
    int cmp = 0;
  
    old = __sync_fetch_and_add(&val, 1);
    old = __sync_fetch_and_sub(&valc, 2);
    old = __sync_fetch_and_min(&val, 3);
    old = __sync_fetch_and_max(&val, 4);
    old = __sync_fetch_and_umin(&uval, 5u);
    old = __sync_fetch_and_umax(&uval, 6u);
    old = __sync_lock_test_and_set(&val, 7);
    old = __sync_val_compare_and_swap(&val, 4, 1976);
    old = __sync_bool_compare_and_swap(&val, 4, 1976);
    old = __sync_fetch_and_and(&val, 0x9);
    old = __sync_fetch_and_or(&val, 0xa);
    old = __sync_fetch_and_xor(&val, 0xb);
    old = __sync_fetch_and_nand(&val, 0xb);
  
    old = __sync_add_and_fetch(&val, 1);
    old = __sync_sub_and_fetch(&val, 2);
    old = __sync_and_and_fetch(&valc, 3);
    old = __sync_or_and_fetch(&valc, 4);
    old = __sync_xor_and_fetch(&valc, 5);
    old = __sync_nand_and_fetch(&valc, 5);
  
    
    __sync_val_compare_and_swap((void **)0, (void *)0, (void *)0);
  
    
    __sync_lock_release(&val);
    __sync_synchronize ();
  
    return old;
  }
  