diff options
Diffstat (limited to 'test/CodeGen/atomic.c')
-rw-r--r-- | test/CodeGen/atomic.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/atomic.c b/test/CodeGen/atomic.c new file mode 100644 index 0000000..66dc702 --- /dev/null +++ b/test/CodeGen/atomic.c @@ -0,0 +1,53 @@ +// 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; +} |