| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcoroutines-ts -std=c++14 -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s |
| |
| #include "Inputs/coroutine.h" |
| |
| using namespace std::experimental; |
| |
| struct coro { |
| struct promise_type { |
| coro get_return_object(); |
| suspend_always initial_suspend(); |
| suspend_never final_suspend(); |
| void return_void(); |
| static void unhandled_exception(); |
| }; |
| }; |
| |
| extern "C" coro f(int) { co_return; } |
| // Verify that cleanup.dest.slot is eliminated in a coroutine. |
| // CHECK-LABEL: f( |
| // CHECK: call void @_ZNSt12experimental13coroutines_v113suspend_never12await_resumeEv( |
| // CHECK: %[[CLEANUP_DEST:.+]] = phi i32 [ 0, %{{.+}} ], [ 2, %{{.+}} ], [ 2, %{{.+}} ] |
| // CHECK: call i8* @llvm.coro.free( |
| // CHECK: switch i32 %cleanup.dest.slot.0, label %{{.+}} [ |
| // CHECK-NEXT: i32 0 |
| // CHECK-NEXT: i32 2 |
| // CHECK-NEXT: ] |
