blob: 61082170fc5a6a33b45270b9519caffee0183142 [file] [log] [blame]
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 -emit-llvm %s -o - | FileCheck %s
#include "Inputs/coroutine.h"
using namespace std;
struct coro {
struct promise_type {
coro get_return_object();
suspend_never initial_suspend();
suspend_never final_suspend() noexcept;
void return_void();
static void unhandled_exception();
};
};
struct A {
~A();
bool await_ready();
int await_resume() { return 8; }
template <typename F> void await_suspend(F);
};
extern "C" void consume(int);
// Verifies that domination is properly built during cleanup.
// Without CGCleanup.cpp fix verifier was reporting:
// Instruction does not dominate all uses!
// %tmp.exprcleanup = alloca i32*, align 8
// store i32* %x, i32** %tmp.exprcleanup, align 8
// CHECK-LABEL: f(
extern "C" coro f(int) {
int x = 42;
x = co_await A{};
consume(x);
}