| // Checks that a function is available in both __host__ and __device__ |
| // RUN: cat %s | clang-repl --cuda | FileCheck %s |
| |
| extern "C" int printf(const char*, ...); |
| |
| __host__ __device__ inline int sum(int a, int b){ return a + b; } |
| __global__ void kernel(int * output){ *output = sum(40,2); } |
| |
| printf("Host sum: %d\n", sum(41,1)); |
| // CHECK: Host sum: 42 |
| |
| int var = 0; |
| int * deviceVar; |
| printf("cudaMalloc: %d\n", cudaMalloc((void **) &deviceVar, sizeof(int))); |
| // CHECK-NEXT: cudaMalloc: 0 |
| |
| kernel<<<1,1>>>(deviceVar); |
| printf("CUDA Error: %d\n", cudaGetLastError()); |
| // CHECK-NEXT: CUDA Error: 0 |
| |
| printf("cudaMemcpy: %d\n", cudaMemcpy(&var, deviceVar, sizeof(int), cudaMemcpyDeviceToHost)); |
| // CHECK-NEXT: cudaMemcpy: 0 |
| |
| printf("var: %d\n", var); |
| // CHECK-NEXT: var: 42 |
| |
| %quit |
