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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \
// RUN: -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \
// RUN: -O3 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-O
#include "Inputs/coroutine.h"
using namespace std;
struct A;
struct A_promise_type {
A get_return_object();
suspend_always initial_suspend();
suspend_always final_suspend() noexcept;
void return_value(int);
void unhandled_exception();
std::coroutine_handle<> handle;
};
struct Awaitable{
bool await_ready();
int await_resume();
template <typename F>
void await_suspend(F);
};
Awaitable something();
struct dtor {
dtor();
~dtor();
};
struct [[clang::coro_only_destroy_when_complete]] A {
using promise_type = A_promise_type;
A();
A(std::coroutine_handle<>);
~A();
std::coroutine_handle<promise_type> handle;
};
A foo() {
dtor d;
co_await something();
dtor d1;
co_await something();
dtor d2;
co_return 43;
}
// CHECK: define{{.*}}@_Z3foov({{.*}}) #[[ATTR_NUM:[0-9]+]]
// CHECK: attributes #[[ATTR_NUM]] = {{.*}}coro_only_destroy_when_complete
// CHECK-O: define{{.*}}@_Z3foov.destroy
// CHECK-O: {{^.*}}:
// CHECK-O-NOT: br
// CHECK-O: ret void
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