llvm-project

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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -verify -Wno-vla %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux -verify -DHOST -Wno-vla %s
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#ifndef __CUDA_ARCH__
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// expected-no-diagnostics
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#endif
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#include "Inputs/cuda.h"
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void host(int n) {
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  int x[n];
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}
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__device__ void device(int n) {
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  int x[n];
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#ifdef __CUDA_ARCH__
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  // expected-error@-2 {{cannot use variable-length arrays in __device__ functions}}
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#endif
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}
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__host__ __device__ void hd(int n) {
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  int x[n];
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#ifdef __CUDA_ARCH__
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  // expected-error@-2 {{cannot use variable-length arrays in __host__ __device__ functions}}
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#endif
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}
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// No error because never codegen'ed for device.
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__host__ __device__ inline void hd_inline(int n) {
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  int x[n];
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}
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void call_hd_inline() { hd_inline(42); }
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