2022-04-07 18:03:55 +08:00
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// RUN: %clang_cc1 -no-opaque-pointers -std=c++14 -fcoroutines-ts -triple=x86_64-pc-windows-msvc18.0.0 -emit-llvm %s -o - -fexceptions -fcxx-exceptions -disable-llvm-passes | FileCheck %s
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// RUN: %clang_cc1 -no-opaque-pointers -std=c++14 -fcoroutines-ts -triple=x86_64-unknown-linux-gnu -emit-llvm -o - %s -fexceptions -fcxx-exceptions -disable-llvm-passes | FileCheck --check-prefix=CHECK-LPAD %s
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2021-11-04 11:50:30 +08:00
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#include "Inputs/coroutine-exp-namespace.h"
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namespace coro = std::experimental::coroutines_v1;
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namespace std {
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using exception_ptr = int;
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exception_ptr current_exception();
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} // namespace std
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struct coro_t {
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struct promise_type {
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coro_t get_return_object() {
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coro::coroutine_handle<promise_type>{};
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return {};
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}
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coro::suspend_never initial_suspend() { return {}; }
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coro::suspend_never final_suspend() noexcept { return {}; }
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void return_void() {}
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void unhandled_exception() noexcept;
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};
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};
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struct Cleanup {
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~Cleanup();
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};
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void may_throw();
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coro_t f() {
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Cleanup x;
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may_throw();
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co_return;
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}
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// CHECK: @"?f@@YA?AUcoro_t@@XZ"(
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// CHECK: invoke void @"?may_throw@@YAXXZ"()
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// CHECK: to label %{{.+}} unwind label %[[EHCLEANUP:.+]]
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// CHECK: [[EHCLEANUP]]:
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// CHECK: %[[INNERPAD:.+]] = cleanuppad within none []
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// CHECK: call void @"??1Cleanup@@QEAA@XZ"(
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// CHECK: cleanupret from %[[INNERPAD]] unwind label %[[CATCHSW:.+]]
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// CHECK: [[CATCHSW]]:
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// CHECK: %[[CATCHSWTOK:.+]] = catchswitch within none [label %[[CATCH:.+]]] unwind label
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// CHECK: [[CATCH]]:
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// CHECK: %[[CATCHTOK:.+]] = catchpad within [[CATCHSWTOK:.+]]
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// CHECK: call void @"?unhandled_exception@promise_type@coro_t@@QEAAXXZ"
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// CHECK: catchret from %[[CATCHTOK]] to label %[[CATCHRETDEST:.+]]
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// CHECK: [[CATCHRETDEST]]:
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// CHECK-NEXT: br label %[[TRYCONT:.+]]
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// CHECK: [[TRYCONT]]:
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// CHECK-NEXT: br label %[[COROFIN:.+]]
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// CHECK: [[COROFIN]]:
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// CHECK-NEXT: bitcast %"struct.std::experimental::coroutines_v1::suspend_never"* %{{.+}} to i8*
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// CHECK-NEXT: call void @llvm.lifetime.start.p0i8(
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// CHECK-NEXT: call void @"?final_suspend@promise_type@coro_t@@QEAA?AUsuspend_never@coroutines_v1@experimental@std@@XZ"(
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// CHECK-LPAD: @_Z1fv(
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// CHECK-LPAD: invoke void @_Z9may_throwv()
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// CHECK-LPAD: to label %[[CONT:.+]] unwind label %[[CLEANUP:.+]]
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// CHECK-LPAD: [[CLEANUP]]:
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// CHECK-LPAD: call void @_ZN7CleanupD1Ev(%struct.Cleanup* {{[^,]*}} %x) #2
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// CHECK-LPAD: br label %[[CATCH:.+]]
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// CHECK-LPAD: [[CATCH]]:
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// CHECK-LPAD: call i8* @__cxa_begin_catch
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// CHECK-LPAD: call void @_ZN6coro_t12promise_type19unhandled_exceptionEv(%"struct.coro_t::promise_type"* {{[^,]*}} %__promise) #2
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// CHECK-LPAD: invoke void @__cxa_end_catch()
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// CHECK-LPAD-NEXT: to label %[[CATCHRETDEST:.+]] unwind label
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// CHECK-LPAD: [[CATCHRETDEST]]:
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// CHECK-LPAD-NEXT: br label %[[TRYCONT:.+]]
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// CHECK-LPAD: [[TRYCONT]]:
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// CHECK-LPAD: br label %[[COROFIN:.+]]
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// CHECK-LPAD: [[COROFIN]]:
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// CHECK-LPAD-NEXT: bitcast %"struct.std::experimental::coroutines_v1::suspend_never"* %{{.+}} to i8*
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// CHECK-LPAD-NEXT: call void @llvm.lifetime.start.p0i8(
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// CHECK-LPAD-NEXT: call void @_ZN6coro_t12promise_type13final_suspendEv(
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