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 | |