clang/test/CodeGenCXX/sanitize-dtor-nontrivial-virtual-base.cpp

   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;
   8   ~Vector() {
   9     size += 1;
  10   }
  11 };
  12
  13 struct Base {
  14   int b1;
  15   double b2;
  16   Base() {
  17     b1 = 5;
  18     b2 = 10.989;
  19   }
  20   virtual ~Base() {}
  21 };
  22
  23 struct VirtualBase {
  24   int vb1;
  25   int vb2;
  26   VirtualBase() {
  27     vb1 = 10;
  28     vb2 = 11;
  29   }
  30   virtual ~VirtualBase() {}
  31 };
  32
  33 struct Derived : public Base, public virtual VirtualBase {
  34   int d1;
  35   Vector<int> v;
  36   int d2;
  37   Derived() {
  38     d1 = 10;
  39   }
  40   ~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]]