f1eb869bae
This commit refactors the `add_offload_test_device_code` CMake function to compile device code using the C++ compiler (`CMAKE_CXX_COMPILER`) instead of the C compiler. This change enables the use of C++ features, such as templates, within device-side test kernels. This will allow for more advanced and reusable kernel wrappers, reducing boilerplate code in the conformance test suite. As part of this change: - All `.c` files for device code in `unittests/` have been renamed to `.cpp`. - Kernel definitions are now wrapped in `extern "C"` to ensure C linkage and prevent name mangling. This change affects the `OffloadAPI` and `Conformance` test suites. cc @callumfare @RossBrunton @jhuber6
12 lines
349 B
C++
12 lines
349 B
C++
#include <gpuintrin.h>
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#include <stdint.h>
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extern __gpu_local uint32_t shared_mem[];
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extern "C" __gpu_kernel void localmem(uint32_t *out) {
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shared_mem[__gpu_thread_id(0)] = __gpu_thread_id(0);
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shared_mem[__gpu_thread_id(0)] *= 2;
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out[__gpu_thread_id(0) + (__gpu_num_threads(0) * __gpu_block_id(0))] =
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shared_mem[__gpu_thread_id(0)];
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}
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