1// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2// XFAIL: sparc
3// rdar://7536390
4
5typedef unsigned __INT32_TYPE__ uint32_t;
6
7unsigned t(uint32_t *ptr, uint32_t val) {
8  // CHECK:      @t
9  // CHECK: atomicrmw xchg i32* {{.*}} seq_cst
10  return __sync_lock_test_and_set(ptr, val);
11}
12