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 4 typedef __typeof__(sizeof(0)) size_t; 5 namespace std { 6 struct nothrow_t {}; 7 std::nothrow_t nothrow; 8 } 9 void *operator new[](size_t, const std::nothrow_t &) throw(); 10 void *operator new[](size_t, char *); 11 12 struct C { 13 int x; 14 ~C(); 15 }; 16 17 C *CallNew() { 18 return new C[10]; 19 } 20 // PLAIN-LABEL: CallNew 21 // PLAIN-NOT: nosanitize 22 // PLAIN-NOT: __asan_poison_cxx_array_cookie 23 // ASAN-LABEL: CallNew 24 // ASAN: store{{.*}}nosanitize 25 // ASAN-NOT: nosanitize 26 // ASAN: call void @__asan_poison_cxx_array_cookie 27 28 C *CallNewNoThrow() { 29 return new (std::nothrow) C[10]; 30 } 31 // PLAIN-LABEL: CallNewNoThrow 32 // PLAIN-NOT: nosanitize 33 // PLAIN-NOT: __asan_poison_cxx_array_cookie 34 // ASAN-LABEL: CallNewNoThrow 35 // ASAN: store{{.*}}nosanitize 36 // ASAN-NOT: nosanitize 37 // ASAN: call void @__asan_poison_cxx_array_cookie 38 39 void CallDelete(C *c) { 40 delete [] c; 41 } 42 43 // PLAIN-LABEL: CallDelete 44 // PLAIN-NOT: nosanitize 45 // ASAN-LABEL: CallDelete 46 // ASAN-NOT: nosanitize 47 // ASAN: call i64 @__asan_load_cxx_array_cookie 48 // ASAN-NOT: nosanitize 49 50 char Buffer[20]; 51 C *CallPlacementNew() { 52 return new (Buffer) C[20]; 53 } 54 // ASAN-LABEL: CallPlacementNew 55 // ASAN-NOT: __asan_poison_cxx_array_cookie 56
