llvm-project/clang/test/SemaOpenCLCXX/restricted.clcpp

// RUN: %clang_cc1 %s -triple spir-unknown-unknown -pedantic -verify -fsyntax-only

// This test checks that various C/C++/OpenCL C constructs are not available in
// C++ for OpenCL.

// Test that typeid is not available.
namespace std {
  // Provide a dummy std::type_info so that we can use typeid.
  class type_info {
    int a;
  };
}
__constant std::type_info int_ti = typeid(int);
// expected-error@-1 {{'typeid' is not supported in C++ for OpenCL}}

// Test that dynamic_cast is not available in C++ for OpenCL.
class A {
public:
  int a;
};

class B : public A {
  int b;
};

B *test_dynamic_cast(B *p) {
  return dynamic_cast<B *>(p);
  // expected-error@-1 {{'dynamic_cast' is not supported in C++ for OpenCL}}
}

// Test storage class qualifiers.
__constant _Thread_local int a = 1;
// expected-error@-1 {{C++ for OpenCL version 1.0 does not support the '_Thread_local' storage class specifier}}
// expected-warning@-2 {{'_Thread_local' is a C11 extension}}
// expected-error@-3 {{thread-local storage is not supported for the current target}}
__constant __thread int b = 2;
// expected-error@-1 {{C++ for OpenCL version 1.0 does not support the '__thread' storage class specifier}}
// expected-error@-2 {{thread-local storage is not supported for the current target}}
kernel void test_storage_classes() {
  register int x;
  // expected-error@-1 {{C++ for OpenCL version 1.0 does not support the 'register' storage class specifier}}
  thread_local int y;
  // expected-error@-1 {{C++ for OpenCL version 1.0 does not support the 'thread_local' storage class specifier}}
  // expected-error@-2 {{thread-local storage is not supported for the current target}}
}