|  | // RUN: %clang_cc1 -no-opaque-pointers %s -emit-llvm -o - -triple=armv7-unknown-linux | FileCheck %s | 
|  | // RUN: %clang_cc1 -no-opaque-pointers %s -emit-llvm -o - -triple=armv6-unknown-linux | FileCheck %s | 
|  | // RUN: %clang_cc1 -no-opaque-pointers %s -emit-llvm -o - -triple=thumbv7-unknown-linux | FileCheck %s | 
|  | // RUN: %clang_cc1 -no-opaque-pointers %s -emit-llvm -o - -triple=armv6-unknown-freebsd | FileCheck %s | 
|  |  | 
|  | typedef int _Atomic_word; | 
|  | _Atomic_word exchange_and_add(volatile _Atomic_word *__mem, int __val) { | 
|  | return __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL); | 
|  | } | 
|  |  | 
|  | // CHECK: define {{.*}} @exchange_and_add | 
|  | // CHECK: atomicrmw {{.*}} add i32* {{.*}} acq_rel, align 4 |