1// RUN: %clang_cc1 -triple x86_64-apple -emit-llvm -fobjc-arc -o - %s -std=c++11 | FileCheck %s --check-prefix=ITANIUM
2// RUN: %clang_cc1 -triple x86_64-windows -emit-llvm -fobjc-arc -o - %s -std=c++11
3//
4// Test cases where we weren't properly adding extended parameter info, which
5// caused assertions to fire. Hence, minimal CHECKs.
6
7struct VirtualBase {
8  VirtualBase(__attribute__((ns_consumed)) id x,
9              void * __attribute__((pass_object_size(0))));
10};
11struct WithVirtualBase : virtual VirtualBase {
12  WithVirtualBase(__attribute__((ns_consumed)) id x);
13};
14
15WithVirtualBase::WithVirtualBase(__attribute__((ns_consumed)) id x)
16    : VirtualBase(x, (void *)0) {}
17
18
19struct VirtualBase2 {
20  VirtualBase2(__attribute__((ns_consumed)) id x, void *y);
21};
22
23// In this case, we don't actually end up passing the `id` param from
24// WithVirtualBaseLast's ctor to WithVirtualBaseMid's. So, we shouldn't emit
25// ext param info for `id` to `Mid`. Itanium-only check since MSABI seems to
26// emit the construction code inline.
27struct WithVirtualBaseMid : virtual VirtualBase2 {
28  // Ensure we only pass in `this` and a vtable. Otherwise this test is useless.
29  // ITANIUM: define {{.*}} void @_ZN18WithVirtualBaseMidCI212VirtualBase2EP11objc_objectPv({{[^,]*}}, {{[^,]*}})
30  using VirtualBase2::VirtualBase2;
31};
32struct WithVirtualBaseLast : WithVirtualBaseMid {
33  using WithVirtualBaseMid::WithVirtualBaseMid;
34};
35
36void callLast(__attribute__((ns_consumed)) id x) {
37  WithVirtualBaseLast{x, (void*)0};
38}
39