forked from OSchip/llvm-project
39 lines
900 B
C++
39 lines
900 B
C++
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcoroutines-ts -std=c++14 -emit-llvm %s -o - | FileCheck %s
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#include "Inputs/coroutine.h"
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using namespace std::experimental;
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struct coro {
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struct promise_type {
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coro get_return_object();
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suspend_never initial_suspend();
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suspend_never final_suspend();
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void return_void();
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static void unhandled_exception();
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};
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};
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struct A {
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~A();
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bool await_ready();
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int await_resume() { return 8; }
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template <typename F> void await_suspend(F);
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};
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extern "C" void consume(int);
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// Verifies that domination is properly built during cleanup.
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// Without CGCleanup.cpp fix verifier was reporting:
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// Instruction does not dominate all uses!
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// %tmp.exprcleanup = alloca i32*, align 8
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// store i32* %x, i32** %tmp.exprcleanup, align 8
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// CHECK-LABEL: f(
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extern "C" coro f(int) {
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int x = 42;
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x = co_await A{};
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consume(x);
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}
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