1 // Tests that coroutine passes are added to and run by the new pass manager 2 // pipeline, at -O0 and above. 3 4 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null \ 5 // RUN: -fdebug-pass-manager -std=c++20 \ 6 // RUN: -O0 %s 2>&1 | FileCheck %s --check-prefixes=CHECK-ALL 7 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null \ 8 // RUN: -fdebug-pass-manager -std=c++20 \ 9 // RUN: -O1 %s 2>&1 | FileCheck %s --check-prefixes=CHECK-ALL,CHECK-OPT 10 // 11 // CHECK-ALL: Running pass:{{.*}}CoroEarlyPass 12 // 13 // CHECK-ALL: Running pass: CoroSplitPass on (_Z3foov) 14 // CHECK-OPT: Running pass:{{.*}}CoroElidePass{{.*}} on {{.*}}_Z3foov{{.*}} 15 // 16 // CHECK-ALL: Running pass:{{.*}}CoroCleanupPass 17 18 namespace std { 19 20 struct handle {}; 21 22 struct awaitable { await_readystd::awaitable23 bool await_ready() noexcept { return false; } await_suspendstd::awaitable24 void await_suspend(handle) noexcept {} await_resumestd::awaitable25 bool await_resume() noexcept { return true; } 26 }; 27 28 template <typename T> struct coroutine_handle { from_addressstd::coroutine_handle29 static handle from_address(void *address) noexcept { return {}; } 30 }; 31 32 template <typename T = void> struct coroutine_traits { 33 struct promise_type { initial_suspendstd::coroutine_traits::promise_type34 awaitable initial_suspend() { return {}; } final_suspendstd::coroutine_traits::promise_type35 awaitable final_suspend() noexcept { return {}; } return_voidstd::coroutine_traits::promise_type36 void return_void() {} get_return_objectstd::coroutine_traits::promise_type37 T get_return_object() { return T(); } unhandled_exceptionstd::coroutine_traits::promise_type38 void unhandled_exception() {} 39 }; 40 }; 41 } // namespace std 42 foo()43void foo() { co_return; } 44