File: sanitize-dtor-trivial-base.cpp

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// RUN: %clang_cc1 -no-opaque-pointers -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s

// Base class has trivial dtor => complete dtor poisons base class memory directly.

class Base {
public:
  int x[4];
};

class Derived : public Base {
public:
  int y;
  ~Derived() {
  }
};

Derived d;

// Poison members, then poison the trivial base class.
// CHECK-LABEL: define {{.*}}DerivedD2Ev
// CHECK: %[[GEP:[0-9a-z]+]] = getelementptr i8, i8* {{.*}}, i64 16
// CHECK: call void @__sanitizer_dtor_callback{{.*}}%[[GEP]], i64 4
// CHECK: call void @__sanitizer_dtor_callback{{.*}}, i64 16
// CHECK: ret void