blob: 32ad97ca469b5933fdfce169f8ac7020e81557b8 [file] [log] [blame]
Eric Christopher3883e662011-07-26 22:17:02 +00001// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2// XFAIL: sparc
3// rdar://7536390
4
5unsigned t(unsigned *ptr, unsigned val) {
6 // CHECK: @t
7 // CHECK: call void @llvm.memory.barrier
8 // CHECK-NEXT: call i32 @llvm.atomic.swap.i32
9 // CHECK-NEXT: call void @llvm.memory.barrier
10 return __sync_lock_test_and_set(ptr, val);
11}