TheRock/math-libs/libhipcxx/.upstream-tests/test/cuda/functional/get_device_address.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of libcu++, the C++ Standard Library for your entire system,
// under the Apache License v2.0 with LLVM Exceptions.
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//===----------------------------------------------------------------------===//

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// Modifications Copyright (C) 2026 Advanced Micro Devices, Inc. All rights reserved.
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// This test is currently failing as const_scalar_object cannot be used with get_device_address
// This is tracked in SWDEV-571304
// UNSUPPORTED: hipcc, hiprtc

#include <cuda/functional>
#include <cuda/std/cassert>

#include "test_macros.h"

__device__ int scalar_object             = 42;
__device__ const int const_scalar_object = 42;

__device__ int array_object[]             = {42, 1337, -1};
__device__ const int const_array_object[] = {42, 1337, -1};

#if !TEST_COMPILER(NVRTC) && !defined(TEST_COMPILER_HIPRTC)
template <class T>
void test_host(T& object)
{
  {
    T* host_address = cuda::std::addressof(object);

    cudaPointerAttributes attributes;
    cudaError_t status = cudaPointerGetAttributes(&attributes, host_address);
    assert(status == cudaSuccess);

    if (attributes.devicePointer)
    {
      assert(attributes.devicePointer == host_address);
    }
  }

  {
    T* device_address = cuda::get_device_address(object);

    cudaPointerAttributes attributes;
    cudaError_t status = cudaPointerGetAttributes(&attributes, device_address);
    assert(status == cudaSuccess);
    assert(attributes.devicePointer == device_address);
  }
}
#endif // !TEST_COMPILER(NVRTC)

template <class T>
__host__ __device__ void test(T& object)
{
  NV_IF_ELSE_TARGET(
    NV_IS_DEVICE, (assert(cuda::std::addressof(object) == cuda::get_device_address(object));), (test_host(object);))
}

int main(int argc, char** argv)
{
  test(scalar_object);
  test(const_scalar_object);
  test(array_object);
  test(const_array_object);

  return 0;
}