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// RUN: %clang_cc1 -disable-llvm-optzns -std=c++20 \
// RUN: -triple=x86_64 -dwarf-version=4 -debug-info-kind=limited \
// RUN: -emit-llvm -o - %s | \
// RUN: FileCheck %s --implicit-check-not=DILocalVariable
namespace std {
template <typename... T> struct coroutine_traits;
template <class Promise = void> struct coroutine_handle {
coroutine_handle() = default;
static coroutine_handle from_address(void *) noexcept;
};
template <> struct coroutine_handle<void> {
static coroutine_handle from_address(void *) noexcept;
coroutine_handle() = default;
template <class PromiseType>
coroutine_handle(coroutine_handle<PromiseType>) noexcept;
};
} // namespace std
struct suspend_always {
bool await_ready() noexcept;
void await_suspend(std::coroutine_handle<>) noexcept;
void await_resume() noexcept;
};
template <typename... Args> struct std::coroutine_traits<void, Args...> {
struct promise_type {
void get_return_object() noexcept;
suspend_always initial_suspend() noexcept;
suspend_always final_suspend() noexcept;
void return_void() noexcept;
promise_type();
~promise_type() noexcept;
void unhandled_exception() noexcept;
};
};
// TODO: Not supported yet
struct CopyOnly {
int val;
CopyOnly(const CopyOnly &) noexcept;
CopyOnly(CopyOnly &&) = delete;
~CopyOnly();
};
struct MoveOnly {
int val;
MoveOnly(const MoveOnly &) = delete;
MoveOnly(MoveOnly &&) noexcept;
~MoveOnly();
};
struct MoveAndCopy {
int val;
MoveAndCopy(const MoveAndCopy &) noexcept;
MoveAndCopy(MoveAndCopy &&) noexcept;
~MoveAndCopy();
};
void consume(int, int, int) noexcept;
void f_coro(int val, MoveOnly moParam, MoveAndCopy mcParam) {
consume(val, moParam.val, mcParam.val);
co_return;
}
// CHECK: ![[SP:[0-9]+]] = distinct !DISubprogram(name: "f_coro", linkageName: "_Z6f_coroi8MoveOnly11MoveAndCopy"
// CHECK: !{{[0-9]+}} = !DILocalVariable(name: "val", arg: 1, scope: ![[SP]], file: !{{[0-9]+}}, line: {{[0-9]+}}, type: !{{[0-9]+}})
// CHECK: !{{[0-9]+}} = !DILocalVariable(name: "moParam", arg: 2, scope: ![[SP]], file: !{{[0-9]+}}, line: {{[0-9]+}}, type: !{{[0-9]+}})
// CHECK: !{{[0-9]+}} = !DILocalVariable(name: "mcParam", arg: 3, scope: ![[SP]], file: !{{[0-9]+}}, line: {{[0-9]+}}, type: !{{[0-9]+}})
// CHECK: !{{[0-9]+}} = !DILocalVariable(name: "__promise",
// CHECK: ![[INIT:[0-9]+]] = distinct !DISubprogram(linkageName: "_Z6f_coroi8MoveOnly11MoveAndCopy.__await_suspend_wrapper__init"
// CHECK: !{{[0-9]+}} = !DILocalVariable(arg: 1, scope: ![[INIT]]
// CHECK: !{{[0-9]+}} = !DILocalVariable(arg: 2, scope: ![[INIT]]
// CHECK: ![[FINAL:[0-9]+]] = distinct !DISubprogram(linkageName: "_Z6f_coroi8MoveOnly11MoveAndCopy.__await_suspend_wrapper__final"
// CHECK: !{{[0-9]+}} = !DILocalVariable(arg: 1, scope: ![[FINAL]]
// CHECK: !{{[0-9]+}} = !DILocalVariable(arg: 2, scope: ![[FINAL]]
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