forked from OSchip/llvm-project
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
// Tests that coroutine passes are added to and run by the new pass manager
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// pipeline, at -O0 and above.
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null \
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// RUN: -fexperimental-new-pass-manager -fdebug-pass-manager -fcoroutines-ts \
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// RUN: -O0 %s 2>&1 | FileCheck %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null \
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// RUN: -fexperimental-new-pass-manager -fdebug-pass-manager -fcoroutines-ts \
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// RUN: -O1 %s 2>&1 | FileCheck %s
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//
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// CHECK: Starting llvm::Module pass manager run.
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// CHECK: Running pass:{{.*}}CoroEarlyPass
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//
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// The first coro-split pass enqueues a second run of the entire CGSCC pipeline.
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// CHECK: Starting CGSCC pass manager run.
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// CHECK: Running pass: CoroSplitPass on (_Z3foov)
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// CHECK: Running pass:{{.*}}CoroElidePass{{.*}} on {{.*}}_Z3foov{{.*}}
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// CHECK: Finished CGSCC pass manager run.
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//
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// The second coro-split pass splits coroutine 'foo' into funclets
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// 'foo.resume', 'foo.destroy', and 'foo.cleanup'.
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// CHECK: Starting CGSCC pass manager run.
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// CHECK: Running pass: CoroSplitPass on (_Z3foov)
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// CHECK: Running pass:{{.*}}CoroElidePass{{.*}} on {{.*}}_Z3foov{{.*}}
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// CHECK: Finished CGSCC pass manager run.
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//
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// CHECK: Running pass:{{.*}}CoroCleanupPass
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// CHECK: Finished llvm::Module pass manager run.
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namespace std {
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namespace experimental {
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struct handle {};
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struct awaitable {
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bool await_ready() noexcept { return true; }
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void await_suspend(handle) noexcept {}
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bool await_resume() noexcept { return true; }
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};
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template <typename T> struct coroutine_handle {
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static handle from_address(void *address) noexcept { return {}; }
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};
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template <typename T = void> struct coroutine_traits {
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struct promise_type {
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awaitable initial_suspend() { return {}; }
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awaitable final_suspend() noexcept { return {}; }
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void return_void() {}
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T get_return_object() { return T(); }
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void unhandled_exception() {}
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};
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};
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} // namespace experimental
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} // namespace std
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void foo() { co_return; }
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