diff options
Diffstat (limited to 'clang/test/CodeGen/2010-01-13-MemBarrier.c')
| -rw-r--r-- | clang/test/CodeGen/2010-01-13-MemBarrier.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2010-01-13-MemBarrier.c b/clang/test/CodeGen/2010-01-13-MemBarrier.c new file mode 100644 index 00000000000..32ad97ca469 --- /dev/null +++ b/clang/test/CodeGen/2010-01-13-MemBarrier.c @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s +// XFAIL: sparc +// rdar://7536390 + +unsigned t(unsigned *ptr, unsigned val) { + // CHECK: @t + // CHECK: call void @llvm.memory.barrier + // CHECK-NEXT: call i32 @llvm.atomic.swap.i32 + // CHECK-NEXT: call void @llvm.memory.barrier + return __sync_lock_test_and_set(ptr, val); +} |
