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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
// 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
#include "Inputs/coroutine-exp-namespace.h"
namespace coro = std::experimental::coroutines_v1;
namespace std {
using exception_ptr = int;
exception_ptr current_exception();
} // namespace std
struct coro_t {
struct promise_type {
coro_t get_return_object() {
coro::coroutine_handle<promise_type>{};
return {};
}
coro::suspend_never initial_suspend() { return {}; }
coro::suspend_never final_suspend() noexcept { return {}; }
void return_void() {}
void unhandled_exception() noexcept;
};
};
struct Cleanup {
~Cleanup();
};
void may_throw();
coro_t f() {
Cleanup x;
may_throw();
co_return;
}
// CHECK: @"?f@@YA?AUcoro_t@@XZ"(
// CHECK: invoke void @"?may_throw@@YAXXZ"()
// CHECK: to label %{{.+}} unwind label %[[EHCLEANUP:.+]]
// CHECK: [[EHCLEANUP]]:
// CHECK: %[[INNERPAD:.+]] = cleanuppad within none []
// CHECK: call void @"??1Cleanup@@QEAA@XZ"(
// CHECK: cleanupret from %[[INNERPAD]] unwind label %[[CATCHSW:.+]]
// CHECK: [[CATCHSW]]:
// CHECK: %[[CATCHSWTOK:.+]] = catchswitch within none [label %[[CATCH:.+]]] unwind label
// CHECK: [[CATCH]]:
// CHECK: %[[CATCHTOK:.+]] = catchpad within [[CATCHSWTOK:.+]]
// CHECK: call void @"?unhandled_exception@promise_type@coro_t@@QEAAXXZ"
// CHECK: catchret from %[[CATCHTOK]] to label %[[CATCHRETDEST:.+]]
// CHECK: [[CATCHRETDEST]]:
// CHECK-NEXT: br label %[[TRYCONT:.+]]
// CHECK: [[TRYCONT]]:
// CHECK-NEXT: br label %[[COROFIN:.+]]
// CHECK: [[COROFIN]]:
// CHECK-NEXT: bitcast %"struct.std::experimental::coroutines_v1::suspend_never"* %{{.+}} to i8*
// CHECK-NEXT: call void @llvm.lifetime.start.p0i8(
// CHECK-NEXT: call void @"?final_suspend@promise_type@coro_t@@QEAA?AUsuspend_never@coroutines_v1@experimental@std@@XZ"(
// CHECK-LPAD: @_Z1fv(
// CHECK-LPAD: invoke void @_Z9may_throwv()
// CHECK-LPAD: to label %[[CONT:.+]] unwind label %[[CLEANUP:.+]]
// CHECK-LPAD: [[CLEANUP]]:
// CHECK-LPAD: call void @_ZN7CleanupD1Ev(%struct.Cleanup* {{[^,]*}} %x) #2
// CHECK-LPAD: br label %[[CATCH:.+]]
// CHECK-LPAD: [[CATCH]]:
// CHECK-LPAD: call i8* @__cxa_begin_catch
// CHECK-LPAD: call void @_ZN6coro_t12promise_type19unhandled_exceptionEv(%"struct.coro_t::promise_type"* {{[^,]*}} %__promise) #2
// CHECK-LPAD: invoke void @__cxa_end_catch()
// CHECK-LPAD-NEXT: to label %[[CATCHRETDEST:.+]] unwind label
// CHECK-LPAD: [[CATCHRETDEST]]:
// CHECK-LPAD-NEXT: br label %[[TRYCONT:.+]]
// CHECK-LPAD: [[TRYCONT]]:
// CHECK-LPAD: br label %[[COROFIN:.+]]
// CHECK-LPAD: [[COROFIN]]:
// CHECK-LPAD-NEXT: bitcast %"struct.std::experimental::coroutines_v1::suspend_never"* %{{.+}} to i8*
// CHECK-LPAD-NEXT: call void @llvm.lifetime.start.p0i8(
// CHECK-LPAD-NEXT: call void @_ZN6coro_t12promise_type13final_suspendEv(
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