1 // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc18.0.0 -fcoroutines-ts -emit-llvm %s -o - -std=c++14 -disable-llvm-passes | FileCheck %s
2 struct no_suspend {
await_readyno_suspend3 bool await_ready() { return true; }
await_suspendno_suspend4 template <typename F> void await_suspend(F) {}
await_resumeno_suspend5 void await_resume() {}
6 };
7
8 struct A {
operator co_awaitA9 no_suspend operator co_await() { return {}; }
10 };
11
12 struct B {};
13
operator co_await(B const &)14 no_suspend operator co_await(B const&) { return {}; }
15
16 // CHECK-LABEL: f(
f()17 extern "C" void f() {
18 A a;
19 B b;
20 // CHECK: call void @"??__LA@@QEAA?AUno_suspend@@XZ"(
21 a.operator co_await();
22 // CHECK-NEXT: call i8 @"??__L@YA?AUno_suspend@@AEBUB@@@Z"(
23 operator co_await(b);
24 }
25
26