1 // RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -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 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -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 // Base class has trivial dtor => complete dtor poisons base class memory directly. 5 6 class Base { 7 public: 8 int x[4]; 9 }; 10 11 class Derived : public Base { 12 public: 13 int y; ~Derived()14 ~Derived() { 15 } 16 }; 17 18 Derived d; 19 20 // Poison members, then poison the trivial base class. 21 // CHECK-LABEL: define {{.*}}DerivedD2Ev 22 // CHECK: %[[GEP:[0-9a-z]+]] = getelementptr i8, ptr {{.*}}, i64 16 23 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}%[[GEP]], i64 4{{.*}}, !dbg ![[DI1:[0-9]+]] 24 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 16{{.*}}, !dbg ![[DI2:[0-9]+]] 25 // CHECK: ret void 26 27 // CHECK-LABEL: !DIFile{{.*}}cpp 28 29 // CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-16]] 30 // CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-24]] 31