| Evan Cheng | c8aa0a7 | 2010-01-14 02:24:50 +0000 | [diff] [blame^] | 1 | // RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s |
| 2 | // XFAIL: sparc,powerpc | ||||
| 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 | } | ||||