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