| 1 | // RUN: %clang_cc1 -triple x86_64-gnu-linux -emit-llvm -o - %s | FileCheck %s -check-prefix=PLAIN |
| 2 | // RUN: %clang_cc1 -triple x86_64-gnu-linux -emit-llvm -o - -fsanitize=address %s | FileCheck %s -check-prefix=ASAN |
| 3 | // RUN: %clang_cc1 -triple x86_64-gnu-linux -emit-llvm -o - -fsanitize=address -fsanitize-address-poison-custom-array-cookie %s | FileCheck %s -check-prefix=ASAN-POISON-ALL-NEW-ARRAY |
| 4 | |
| 5 | typedef __typeof__(sizeof(0)) size_t; |
| 6 | namespace std { |
| 7 | struct nothrow_t {}; |
| 8 | std::nothrow_t nothrow; |
| 9 | } |
| 10 | void *operator new[](size_t, const std::nothrow_t &) throw(); |
| 11 | void *operator new[](size_t, char *); |
| 12 | void *operator new[](size_t, int, int); |
| 13 | |
| 14 | struct C { |
| 15 | int x; |
| 16 | ~C(); |
| 17 | }; |
| 18 | |
| 19 | C *CallNew() { |
| 20 | return new C[10]; |
| 21 | } |
| 22 | // PLAIN-LABEL: CallNew |
| 23 | // PLAIN-NOT: nosanitize |
| 24 | // PLAIN-NOT: __asan_poison_cxx_array_cookie |
| 25 | // ASAN-LABEL: CallNew |
| 26 | // ASAN: store{{.*}}nosanitize |
| 27 | // ASAN-NOT: nosanitize |
| 28 | // ASAN: call void @__asan_poison_cxx_array_cookie |
| 29 | |
| 30 | C *CallNewNoThrow() { |
| 31 | return new (std::nothrow) C[10]; |
| 32 | } |
| 33 | // PLAIN-LABEL: CallNewNoThrow |
| 34 | // PLAIN-NOT: nosanitize |
| 35 | // PLAIN-NOT: __asan_poison_cxx_array_cookie |
| 36 | // ASAN-LABEL: CallNewNoThrow |
| 37 | // ASAN: store{{.*}}nosanitize |
| 38 | // ASAN-NOT: nosanitize |
| 39 | // ASAN: call void @__asan_poison_cxx_array_cookie |
| 40 | |
| 41 | void CallDelete(C *c) { |
| 42 | delete [] c; |
| 43 | } |
| 44 | |
| 45 | // PLAIN-LABEL: CallDelete |
| 46 | // PLAIN-NOT: nosanitize |
| 47 | // ASAN-LABEL: CallDelete |
| 48 | // ASAN-NOT: nosanitize |
| 49 | // ASAN: call i64 @__asan_load_cxx_array_cookie |
| 50 | // ASAN-NOT: nosanitize |
| 51 | |
| 52 | char Buffer[20]; |
| 53 | C *CallPlacementNew() { |
| 54 | return new (Buffer) C[20]; |
| 55 | } |
| 56 | // ASAN-LABEL: CallPlacementNew |
| 57 | // ASAN-NOT: __asan_poison_cxx_array_cookie |
| 58 | |
| 59 | C *CallNewWithArgs() { |
| 60 | // ASAN-LABEL: CallNewWithArgs |
| 61 | // ASAN-NOT: call void @__asan_poison_cxx_array_cookie |
| 62 | // ASAN-POISON-ALL-NEW-ARRAY: call void @__asan_poison_cxx_array_cookie |
| 63 | return new (123, 456) C[20]; |
| 64 | } |
| 65 | |