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