| 1 | // RUN: %clang_cc1 -std=c++11 -fobjc-runtime-has-weak -fobjc-weak -fobjc-arc -fsyntax-only -verify %s |
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| 2 | |
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| 3 | void __attribute__((trivial_abi)) foo(); // expected-warning {{'trivial_abi' attribute only applies to classes}} |
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| 4 | |
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| 5 | struct [[clang::trivial_abi]] S0 { |
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| 6 | int a; |
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| 7 | }; |
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| 8 | |
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| 9 | struct __attribute__((trivial_abi)) S1 { |
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| 10 | int a; |
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| 11 | }; |
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| 12 | |
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| 13 | struct __attribute__((trivial_abi)) S2 { // expected-warning {{'trivial_abi' cannot be applied to 'S2'}} |
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| 14 | __weak id a; |
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| 15 | }; |
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| 16 | |
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| 17 | struct __attribute__((trivial_abi)) S3 { // expected-warning {{'trivial_abi' cannot be applied to 'S3'}} |
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| 18 | virtual void m(); |
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| 19 | }; |
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| 20 | |
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| 21 | struct S3_2 { |
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| 22 | virtual void m(); |
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| 23 | } __attribute__((trivial_abi)); // expected-warning {{'trivial_abi' cannot be applied to 'S3_2'}} |
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| 24 | |
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| 25 | struct S4 { |
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| 26 | int a; |
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| 27 | }; |
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| 28 | |
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| 29 | struct __attribute__((trivial_abi)) S5 : public virtual S4 { // expected-warning {{'trivial_abi' cannot be applied to 'S5'}} |
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| 30 | }; |
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| 31 | |
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| 32 | struct __attribute__((trivial_abi)) S9 : public S4 { |
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| 33 | }; |
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| 34 | |
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| 35 | struct S6 { |
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| 36 | __weak id a; |
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| 37 | }; |
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| 38 | |
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| 39 | struct __attribute__((trivial_abi)) S12 { // expected-warning {{'trivial_abi' cannot be applied to 'S12'}} |
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| 40 | __weak id a; |
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| 41 | }; |
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| 42 | |
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| 43 | struct __attribute__((trivial_abi)) S13 { // expected-warning {{'trivial_abi' cannot be applied to 'S13'}} |
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| 44 | __weak id a[2]; |
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| 45 | }; |
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| 46 | |
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| 47 | struct __attribute__((trivial_abi)) S7 { // expected-warning {{'trivial_abi' cannot be applied to 'S7'}} |
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| 48 | S6 a; |
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| 49 | }; |
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| 50 | |
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| 51 | struct __attribute__((trivial_abi)) S11 { // expected-warning {{'trivial_abi' cannot be applied to 'S11'}} |
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| 52 | S6 a[2]; |
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| 53 | }; |
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| 54 | |
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| 55 | struct __attribute__((trivial_abi(1))) S8 { // expected-error {{'trivial_abi' attribute takes no arguments}} |
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| 56 | int a; |
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| 57 | }; |
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| 58 | |
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| 59 | // Do not warn when 'trivial_abi' is used to annotate a template class. |
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| 60 | template<class T> |
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| 61 | struct __attribute__((trivial_abi)) S10 { |
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| 62 | T p; |
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| 63 | }; |
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| 64 | |
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| 65 | S10<int *> p1; |
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| 66 | S10<__weak id> p2; |
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| 67 | |
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| 68 | template<> |
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| 69 | struct __attribute__((trivial_abi)) S10<id> { // expected-warning {{'trivial_abi' cannot be applied to 'S10<id>'}} |
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| 70 | __weak id a; |
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| 71 | }; |
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| 72 | |
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| 73 | template<class T> |
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| 74 | struct S14 { |
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| 75 | T a; |
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| 76 | __weak id b; |
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| 77 | }; |
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| 78 | |
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| 79 | template<class T> |
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| 80 | struct __attribute__((trivial_abi)) S15 : S14<T> { |
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| 81 | }; |
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| 82 | |
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| 83 | S15<int> s15; |
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| 84 | |
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| 85 | template<class T> |
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| 86 | struct __attribute__((trivial_abi)) S16 { |
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| 87 | S14<T> a; |
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| 88 | }; |
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| 89 | |
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| 90 | S16<int> s16; |
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| 91 | |
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| 92 | template<class T> |
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| 93 | struct __attribute__((trivial_abi)) S17 { // expected-warning {{'trivial_abi' cannot be applied to 'S17'}} |
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| 94 | __weak id a; |
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| 95 | }; |
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| 96 | |
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| 97 | S17<int> s17; |
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| 98 | |
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