44 lines · cpp
1// Tests that coroutine passes are added to and run by the new pass manager2// 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-ALL7// 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-OPT10//11// CHECK-ALL: Running pass:{{.*}}CoroEarlyPass12//13// CHECK-ALL: Running pass: CoroSplitPass on (_Z3foov)14// CHECK-OPT: Running pass:{{.*}}CoroElidePass{{.*}} on {{.*}}_Z3foov{{.*}}15//16// CHECK-ALL: Running pass:{{.*}}CoroCleanupPass17 18namespace std {19 20struct handle {};21 22struct awaitable {23 bool await_ready() noexcept { return false; }24 void await_suspend(handle) noexcept {}25 bool await_resume() noexcept { return true; }26};27 28template <typename T> struct coroutine_handle {29 static handle from_address(void *address) noexcept { return {}; }30};31 32template <typename T = void> struct coroutine_traits {33 struct promise_type {34 awaitable initial_suspend() { return {}; }35 awaitable final_suspend() noexcept { return {}; }36 void return_void() {}37 T get_return_object() { return T(); }38 void unhandled_exception() {}39 };40};41} // namespace std42 43void foo() { co_return; }44