Eric Christopher | 3883e66 | 2011-07-26 22:17:02 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s |
2 | // XFAIL: sparc | ||||
3 | // rdar://7536390 | ||||
4 | |||||
5 | unsigned 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 | } |