54 lines · cpp
1// RUN: %clang_cc1 -std=c++20 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - -disable-llvm-passes | FileCheck %s2 3#include "Inputs/coroutine.h"4 5struct coro1 {6 struct promise_type {7 coro1 get_return_object();8 std::suspend_never initial_suspend();9 std::suspend_never final_suspend() noexcept;10 void return_void();11 void unhandled_exception() noexcept;12 };13};14 15coro1 f() {16 co_await std::suspend_never{};17}18 19// CHECK-LABEL: define{{.*}} void @_Z1fv(20// CHECK: call void @_ZNSt13suspend_never12await_resumeEv(ptr21// CHECK: call void @_ZN5coro112promise_type11return_voidEv(ptr {{[^,]*}} %__promise)22 23struct A {24 A();25 ~A();26};27 28coro1 f2() {29 co_return (void) A{};30}31 32// CHECK-LABEL: define{{.*}} void @_Z2f2v(33// CHECK: call void @_ZN1AC1Ev(ptr {{[^,]*}} %[[AVar:.*]])34// CHECK-NEXT: call void @_ZN1AD1Ev(ptr {{[^,]*}} %[[AVar]])35// CHECK-NEXT: call void @_ZN5coro112promise_type11return_voidEv(ptr36 37struct coro2 {38 struct promise_type {39 coro2 get_return_object();40 std::suspend_never initial_suspend();41 std::suspend_never final_suspend() noexcept;42 void return_value(int);43 void unhandled_exception() noexcept;44 };45};46 47coro2 g() {48 co_return 42;49}50 51// CHECK-LABEL: define{{.*}} void @_Z1gv(52// CHECK: call void @_ZNSt13suspend_never12await_resumeEv(ptr53// CHECK: call void @_ZN5coro212promise_type12return_valueEi(ptr {{[^,]*}} %__promise, i32 noundef 42)54