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// Verify ubsan vptr does not check down-casts on blacklisted types.
// RUN: echo "type:_ZTI3Foo" > %t-type.blacklist
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=vptr -emit-llvm %s -o - | FileCheck %s --check-prefix=DEFAULT
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsanitize=vptr -fsanitize-blacklist=%t-type.blacklist -emit-llvm %s -o - | FileCheck %s --check-prefix=TYPE
// REQUIRES: shell
class Bar {
public:
virtual ~Bar() {}
};
class Foo : public Bar {};
Bar bar;
// DEFAULT: @_Z7checkmev
// TYPE: @_Z7checkmev
void checkme() {
// DEFAULT: call void @__ubsan_handle_dynamic_type_cache_miss({{.*}} (%class.Bar* @bar to
// TYPE-NOT: @__ubsan_handle_dynamic_type_cache_miss
Foo* foo = static_cast<Foo*>(&bar); // down-casting
// DEFAULT: ret void
// TYPE: ret void
return;
}
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