1 // RUN: %clang_cc1 -fsanitize=memory -O0 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" 2 // RUN: %clang_cc1 -fsanitize=memory -O1 -disable-llvm-passes -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" 3 4 template <class T> 5 class Vector { 6 public: 7 int size; ~Vector()8 ~Vector() { 9 size += 1; 10 } 11 }; 12 13 struct Base { 14 int b1; 15 double b2; BaseBase16 Base() { 17 b1 = 5; 18 b2 = 10.989; 19 } ~BaseBase20 virtual ~Base() {} 21 }; 22 23 struct VirtualBase { 24 int vb1; 25 int vb2; VirtualBaseVirtualBase26 VirtualBase() { 27 vb1 = 10; 28 vb2 = 11; 29 } ~VirtualBaseVirtualBase30 virtual ~VirtualBase() {} 31 }; 32 33 struct Derived : public Base, public virtual VirtualBase { 34 int d1; 35 Vector<int> v; 36 int d2; DerivedDerived37 Derived() { 38 d1 = 10; 39 } ~DerivedDerived40 ~Derived() {} 41 }; 42 43 Derived d; 44 45 // Destruction order: 46 // Derived: int, Vector, Base, VirtualBase 47 48 // CHECK-LABEL: define {{.*}}ZN7DerivedD1Ev 49 // CHECK: call void {{.*}}ZN11VirtualBaseD2Ev 50 // CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}, !dbg ![[DI0:[0-9]+]] 51 // CHECK: ret void 52 53 // CHECK-LABEL: define {{.*}}ZN7DerivedD0Ev 54 // CHECK: ret void 55 56 // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD1Ev 57 // CHECK: ret void 58 59 // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD0Ev 60 // CHECK: ret void 61 62 // poison 2 ints 63 // CHECK-LABEL: define {{.*}}ZN11VirtualBaseD2Ev 64 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 8){{.*}}, !dbg ![[DI1:[0-9]+]] 65 // CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}){{.*}}{{.*}}, !dbg ![[DI2:[0-9]+]] 66 // CHECK: ret void 67 68 // poison int and double 69 // CHECK-LABEL: define {{.*}}ZN4BaseD2Ev 70 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 16){{.*}}, !dbg ![[DI3:[0-9]+]] 71 // CHECK: call void @__sanitizer_dtor_callback_vptr({{.*}}{{.*}}, !dbg ![[DI4:[0-9]+]] 72 // CHECK: ret void 73 74 // poison int, ignore vector, poison int 75 // CHECK-LABEL: define {{.*}}ZN7DerivedD2Ev 76 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 4){{.*}}, !dbg ![[DI5:[0-9]+]] 77 // CHECK: call void {{.*}}ZN6VectorIiED1Ev 78 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 4){{.*}}, !dbg ![[DI6:[0-9]+]] 79 // CHECK: call void {{.*}}ZN4BaseD2Ev 80 // CHECK: ret void 81 82 // poison int 83 // CHECK-LABEL: define {{.*}}ZN6VectorIiED2Ev 84 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 4){{.*}}, !dbg ![[DI7:[0-9]+]] 85 // CHECK: ret void 86 87 // CHECK-LABEL: !DIFile{{.*}}.cpp 88 89 // CHECK-DAG: ![[DI0]] = {{.*}}line: [[@LINE-49]] 90 // CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-66]] 91 // CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-61]] 92 // CHECK-DAG: ![[DI3]] = {{.*}}line: [[@LINE-78]] 93 // CHECK-DAG: ![[DI5]] = {{.*}}line: [[@LINE-57]] 94 // CHECK-DAG: ![[DI6]] = {{.*}}line: [[@LINE-60]] 95 // CHECK-DAG: ![[DI7]] = {{.*}}line: [[@LINE-88]] 96