// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s | |
// rdar://7536390 | |
typedef unsigned __INT32_TYPE__ uint32_t; | |
unsigned t(uint32_t *ptr, uint32_t val) { | |
// CHECK: @t | |
// CHECK: atomicrmw xchg i32* {{.*}} seq_cst | |
return __sync_lock_test_and_set(ptr, val); | |
} |