| 1 | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fexceptions -faligned-alloc-unavailable -std=c++1z -verify %s |
| 2 | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fexceptions -std=c++1z -verify -DNO_ERRORS %s |
| 3 | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fexceptions -faligned-allocation -faligned-alloc-unavailable -std=c++14 -verify %s |
| 4 | // RUN: %clang_cc1 -triple arm64-apple-ios10.0.0 -fexceptions -faligned-alloc-unavailable -std=c++1z -verify -DIOS %s |
| 5 | // RUN: %clang_cc1 -triple arm64-apple-ios10.0.0 -fexceptions -std=c++1z -verify -DNO_ERRORS %s |
| 6 | // RUN: %clang_cc1 -triple arm64-apple-tvos10.0.0 -fexceptions -faligned-alloc-unavailable -std=c++1z -verify -DTVOS %s |
| 7 | // RUN: %clang_cc1 -triple arm64-apple-tvos10.0.0 -fexceptions -std=c++1z -verify -DNO_ERRORS %s |
| 8 | // RUN: %clang_cc1 -triple armv7k-apple-watchos3.0.0 -fexceptions -faligned-alloc-unavailable -std=c++1z -verify -DWATCHOS %s |
| 9 | // RUN: %clang_cc1 -triple armv7k-apple-watchos3.0.0 -fexceptions -std=c++1z -verify -DNO_ERRORS %s |
| 10 | |
| 11 | namespace std { |
| 12 | typedef decltype(sizeof(0)) size_t; |
| 13 | enum class align_val_t : std::size_t {}; |
| 14 | struct nothrow_t {}; |
| 15 | nothrow_t nothrow; |
| 16 | } |
| 17 | |
| 18 | void *operator new(std::size_t __sz, const std::nothrow_t&) noexcept; |
| 19 | void *operator new[](std::size_t __sz, const std::nothrow_t&) noexcept; |
| 20 | |
| 21 | void *operator new(std::size_t __sz, std::align_val_t, const std::nothrow_t&) noexcept; |
| 22 | void *operator new[](std::size_t __sz, std::align_val_t, const std::nothrow_t&) noexcept; |
| 23 | void operator delete(void *, std::align_val_t, const std::nothrow_t&); |
| 24 | void operator delete[](void *, std::align_val_t, const std::nothrow_t&); |
| 25 | void operator delete(void*, std::size_t, std::align_val_t) noexcept; |
| 26 | void operator delete[](void*, std::size_t, std::align_val_t) noexcept; |
| 27 | |
| 28 | void *operator new(std::size_t, std::align_val_t, long long); |
| 29 | |
| 30 | struct alignas(256) OveralignedS { |
| 31 | int x[16]; |
| 32 | }; |
| 33 | |
| 34 | struct S { |
| 35 | int x[16]; |
| 36 | }; |
| 37 | |
| 38 | void test() { |
| 39 | auto *p = new S; |
| 40 | delete p; |
| 41 | p = new (std::nothrow) S; |
| 42 | |
| 43 | auto *pa = new S[4]; |
| 44 | delete[] pa; |
| 45 | pa = new (std::nothrow) S[4]; |
| 46 | } |
| 47 | |
| 48 | void testOveraligned() { |
| 49 | auto *p = new OveralignedS; |
| 50 | p = new ((std::align_val_t)8) OveralignedS; |
| 51 | delete p; |
| 52 | p = new (std::nothrow) OveralignedS; |
| 53 | |
| 54 | auto *pa = new OveralignedS[4]; |
| 55 | pa = new ((std::align_val_t)8) OveralignedS[4]; |
| 56 | delete[] pa; |
| 57 | pa = new (std::nothrow) OveralignedS[4]; |
| 58 | // No error here since it is not calling a replaceable allocation function. |
| 59 | p = new ((std::align_val_t)8, 10LL) OveralignedS; |
| 60 | } |
| 61 | |
| 62 | #ifdef NO_ERRORS |
| 63 | // expected-no-diagnostics |
| 64 | #else |
| 65 | // expected-error@-16 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 66 | // expected-note@-17 {{if you supply your own aligned allocation functions}} |
| 67 | // expected-error@-18 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 68 | // expected-note@-19 {{if you supply your own aligned allocation functions}} |
| 69 | |
| 70 | // expected-error@-20 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 71 | // expected-note@-21 {{if you supply your own aligned allocation functions}} |
| 72 | // expected-error@-22 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 73 | // expected-note@-23 {{if you supply your own aligned allocation functions}} |
| 74 | |
| 75 | // expected-error@-24 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 76 | // expected-note@-25 {{if you supply your own aligned allocation functions}} |
| 77 | |
| 78 | // expected-error@-26 {{aligned allocation function of type 'void *(std::size_t, std::align_val_t, const std::nothrow_t &) noexcept' is only available on}} |
| 79 | // expected-note@-27 {{if you supply your own aligned allocation functions}} |
| 80 | // expected-error@-28 {{aligned deallocation function of type 'void (void *, std::align_val_t, const std::nothrow_t &) noexcept' is only available on}} |
| 81 | // expected-note@-29 {{if you supply your own aligned allocation functions}} |
| 82 | |
| 83 | // expected-error@-29 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 84 | // expected-note@-30 {{if you supply your own aligned allocation functions}} |
| 85 | // expected-error@-31 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 86 | // expected-note@-32 {{if you supply your own aligned allocation functions}} |
| 87 | |
| 88 | // expected-error@-33 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 89 | // expected-note@-34 {{if you supply your own aligned allocation functions}} |
| 90 | // expected-error@-35 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 91 | // expected-note@-36 {{if you supply your own aligned allocation functions}} |
| 92 | |
| 93 | // expected-error@-37 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 94 | // expected-note@-38 {{if you supply your own aligned allocation functions}} |
| 95 | |
| 96 | // expected-error@-39 {{aligned allocation function of type 'void *(std::size_t, std::align_val_t, const std::nothrow_t &) noexcept' is only available on}} |
| 97 | // expected-note@-40 {{if you supply your own aligned allocation functions}} |
| 98 | // expected-error@-41 {{aligned deallocation function of type 'void (void *, std::align_val_t, const std::nothrow_t &) noexcept' is only available on}} |
| 99 | // expected-note@-42 {{if you supply your own aligned allocation functions}} |
| 100 | |
| 101 | #endif |
| 102 | |
| 103 | void testOveralignedCheckOS() { |
| 104 | auto *p = new OveralignedS; |
| 105 | } |
| 106 | |
| 107 | #ifdef NO_ERRORS |
| 108 | // expected-no-diagnostics |
| 109 | #else |
| 110 | #if defined(IOS) |
| 111 | // expected-error@-7 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on iOS 11 or newer}} |
| 112 | // expected-error@-8 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on iOS 11 or newer}}} |
| 113 | #elif defined(TVOS) |
| 114 | // expected-error@-10 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on tvOS 11 or newer}}} |
| 115 | // expected-error@-11 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on tvOS 11 or newer}}} |
| 116 | #elif defined(WATCHOS) |
| 117 | // expected-error@-13 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on watchOS 4 or newer}}} |
| 118 | // expected-error@-14 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on watchOS 4 or newer}}} |
| 119 | #else |
| 120 | // expected-error@-16 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on macOS 10.14 or newer}}} |
| 121 | // expected-error@-17 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on macOS 10.14 or newer}}} |
| 122 | #endif |
| 123 | |
| 124 | // expected-note@-20 2 {{if you supply your own aligned allocation functions}} |
| 125 | #endif |
| 126 | |
| 127 | // Test that diagnostics are produced when an unavailable aligned deallocation |
| 128 | // function is called from a deleting destructor. |
| 129 | struct alignas(256) OveralignedS2 { |
| 130 | int a[4]; |
| 131 | virtual ~OveralignedS2(); |
| 132 | }; |
| 133 | |
| 134 | OveralignedS2::~OveralignedS2() {} |
| 135 | |
| 136 | #ifdef NO_ERRORS |
| 137 | // expected-no-diagnostics |
| 138 | #else |
| 139 | #if defined(IOS) |
| 140 | // expected-error@-6 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on iOS 11 or newer}}} |
| 141 | // expected-note@-7 {{if you supply your own aligned allocation functions}} |
| 142 | #elif defined(TVOS) |
| 143 | // expected-error@-9 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on tvOS 11 or newer}}} |
| 144 | // expected-note@-10 {{if you supply your own aligned allocation functions}} |
| 145 | #elif defined(WATCHOS) |
| 146 | // expected-error@-12 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on watchOS 4 or newer}}} |
| 147 | // expected-note@-13 {{if you supply your own aligned allocation functions}} |
| 148 | #else |
| 149 | // expected-error@-15 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on macOS 10.14 or newer}}} |
| 150 | // expected-note@-16 {{if you supply your own aligned allocation functions}} |
| 151 | #endif |
| 152 | #endif |
| 153 | |
| 154 | void testExplicitOperatorNewDelete() { |
| 155 | void *p = operator new(128); |
| 156 | operator delete(p); |
| 157 | p = operator new[](128); |
| 158 | operator delete[](p); |
| 159 | p = __builtin_operator_new(128); |
| 160 | __builtin_operator_delete(p); |
| 161 | } |
| 162 | |
| 163 | void testExplicitOperatorNewDeleteOveraligned() { |
| 164 | void *p = operator new(128, (std::align_val_t)64); |
| 165 | operator delete(p, (std::align_val_t)64); |
| 166 | p = operator new[](128, (std::align_val_t)64); |
| 167 | operator delete[](p, (std::align_val_t)64); |
| 168 | p = __builtin_operator_new(128, (std::align_val_t)64); |
| 169 | __builtin_operator_delete(p, (std::align_val_t)64); |
| 170 | } |
| 171 | |
| 172 | #ifdef NO_ERRORS |
| 173 | // expected-no-diagnostics |
| 174 | #else |
| 175 | // expected-error@-11 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 176 | // expected-note@-12 {{if you supply your own aligned allocation functions}} |
| 177 | |
| 178 | // expected-error@-13 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 179 | // expected-note@-14 {{if you supply your own aligned allocation functions}} |
| 180 | |
| 181 | // expected-error@-15 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 182 | // expected-note@-16 {{if you supply your own aligned allocation functions}} |
| 183 | |
| 184 | // expected-error@-17 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 185 | // expected-note@-18 {{if you supply your own aligned allocation functions}} |
| 186 | |
| 187 | // expected-error@-19 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' is only available on}} |
| 188 | // expected-note@-20 {{if you supply your own aligned allocation functions}} |
| 189 | |
| 190 | // expected-error@-21 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on}} |
| 191 | // expected-note@-22 {{if you supply your own aligned allocation functions}} |
| 192 | #endif |
| 193 | |
| 194 | // No errors if user-defined aligned allocation functions are available. |
| 195 | void *operator new(std::size_t __sz, std::align_val_t) { |
| 196 | static char array[256]; |
| 197 | return &array; |
| 198 | } |
| 199 | |
| 200 | void operator delete(void *p, std::align_val_t) { |
| 201 | } |
| 202 | |
| 203 | void testOveraligned2() { |
| 204 | auto p = new ((std::align_val_t)8) OveralignedS; |
| 205 | delete p; |
| 206 | } |
| 207 | |