forked from OSchip/llvm-project
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// This test merely verifies that emitting the object file does not cause a
|
|
// crash when the LLVM coroutines passes are run.
|
|
// PR42867: Disable this test for the new PM since the passes that lower the
|
|
// llvm.coro.* intrinsics have not yet been ported.
|
|
// RUN: %clang_cc1 -fno-experimental-new-pass-manager -emit-obj -std=c++2a -fsanitize=null %s -o %t.o
|
|
|
|
namespace std::experimental {
|
|
template <typename R, typename... T> struct coroutine_traits {
|
|
using promise_type = typename R::promise_type;
|
|
};
|
|
|
|
template <class Promise = void> struct coroutine_handle;
|
|
template <> struct coroutine_handle<void> {
|
|
static coroutine_handle from_address(void *) noexcept;
|
|
coroutine_handle() = default;
|
|
template <class PromiseType>
|
|
coroutine_handle(coroutine_handle<PromiseType>) noexcept;
|
|
};
|
|
template <class Promise> struct coroutine_handle : coroutine_handle<void> {
|
|
coroutine_handle() = default;
|
|
static coroutine_handle from_address(void *) noexcept;
|
|
};
|
|
}
|
|
|
|
struct suspend_always {
|
|
bool await_ready() noexcept;
|
|
void await_suspend(std::experimental::coroutine_handle<>) noexcept;
|
|
void await_resume() noexcept;
|
|
};
|
|
|
|
struct task {
|
|
struct promise_type {
|
|
task get_return_object() { return task(); }
|
|
suspend_always initial_suspend() { return {}; }
|
|
suspend_always final_suspend() noexcept { return {}; }
|
|
void return_void() {}
|
|
void unhandled_exception() {}
|
|
};
|
|
};
|
|
|
|
struct awaitable {
|
|
task await() { (void)co_await *this; }
|
|
bool await_ready() { return false; }
|
|
bool await_suspend(std::experimental::coroutine_handle<> awaiter) { return false; }
|
|
bool await_resume() { return false; }
|
|
};
|
|
|
|
int main() {
|
|
awaitable a;
|
|
a.await();
|
|
}
|