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