31 lines · cpp
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 6class Base {7public:8 int x[4];9};10 11class Derived : public Base {12public:13 int y;14 ~Derived() {15 }16};17 18Derived d;19 20// Poison members, then poison the trivial base class.21// CHECK-LABEL: define {{.*}}DerivedD2Ev22// CHECK: %[[GEP:[0-9a-z]+]] = getelementptr i8, ptr {{.*}}, i64 1623// 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 void26 27// CHECK-LABEL: !DIFile{{.*}}cpp28 29// CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-16]]30// CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-24]]31