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() noexcept; 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 f()25coro_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