| 1 | // RUN: %clang_cc1 -std=c++14 -fcoroutines-ts -triple=x86_64-pc-windows-msvc18.0.0 -emit-llvm -o - %s -fexceptions -fcxx-exceptions -disable-llvm-passes | FileCheck %s |
| 2 | // -triple=x86_64-unknown-linux-gnu |
| 3 | |
| 4 | #include "Inputs/coroutine.h" |
| 5 | |
| 6 | namespace coro = std::experimental::coroutines_v1; |
| 7 | |
| 8 | struct coro_t { |
| 9 | void* p; |
| 10 | ~coro_t(); |
| 11 | struct promise_type { |
| 12 | coro_t get_return_object(); |
| 13 | coro::suspend_never initial_suspend(); |
| 14 | coro::suspend_never final_suspend(); |
| 15 | void return_void(); |
| 16 | promise_type(); |
| 17 | ~promise_type(); |
| 18 | void unhandled_exception(); |
| 19 | }; |
| 20 | }; |
| 21 | |
| 22 | struct Cleanup { ~Cleanup(); }; |
| 23 | void may_throw(); |
| 24 | |
| 25 | coro_t f() { |
| 26 | Cleanup cleanup; |
| 27 | may_throw(); |
| 28 | co_return; |
| 29 | } |
| 30 | |
| 31 | // CHECK-LABEL: define dso_local void @"?f@@YA?AUcoro_t@@XZ"( |
| 32 | // CHECK: %gro.active = alloca i1 |
| 33 | // CHECK: store i1 false, i1* %gro.active |
| 34 | |
| 35 | // CHECK: invoke %"struct.coro_t::promise_type"* @"??0promise_type@coro_t@@QEAA@XZ"( |
| 36 | // CHECK: invoke void @"?get_return_object@promise_type@coro_t@@QEAA?AU2@XZ"( |
| 37 | // CHECK: store i1 true, i1* %gro.active |
| 38 | |
| 39 | // CHECK: %[[IS_ACTIVE:.+]] = load i1, i1* %gro.active |
| 40 | // CHECK: br i1 %[[IS_ACTIVE]], label %[[CLEANUP1:.+]], label |
| 41 | |
| 42 | // CHECK: [[CLEANUP1]]: |
| 43 | // CHECK: %[[NRVO:.+]] = load i1, i1* %nrvo |
| 44 | // CHECK: br i1 %[[NRVO]], label %{{.+}}, label %[[DTOR:.+]] |
| 45 | |
| 46 | // CHECK: [[DTOR]]: |
| 47 | // CHECK: call void @"??1coro_t@@QEAA@XZ"( |
| 48 | |