| 1 | // Run lines are in the target specific versions. |
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| 2 | |
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| 3 | #include <omp.h> |
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| 4 | #include <stdio.h> |
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| 5 | |
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| 6 | #define N 512 |
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| 7 | |
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| 8 | int main() { |
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| 9 | int Result[N], NumThreads; |
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| 10 | |
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| 11 | #pragma omp target teams num_teams(1) thread_limit(N) \ |
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| 12 | ompx_dyn_cgroup_mem(N * sizeof(Result[0])) \ |
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| 13 | map(from : Result, NumThreads) |
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| 14 | { |
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| 15 | int Buffer[N]; |
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| 16 | #pragma omp parallel |
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| 17 | { |
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| 18 | int *DynBuffer = (int *)llvm_omp_target_dynamic_shared_alloc(); |
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| 19 | int TId = omp_get_thread_num(); |
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| 20 | if (TId == 0) |
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| 21 | NumThreads = omp_get_num_threads(); |
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| 22 | Buffer[TId] = 7; |
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| 23 | DynBuffer[TId] = 3; |
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| 24 | #pragma omp barrier |
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| 25 | int WrappedTId = (TId + 37) % NumThreads; |
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| 26 | Result[TId] = Buffer[WrappedTId] + DynBuffer[WrappedTId]; |
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| 27 | } |
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| 28 | } |
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| 29 | |
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| 30 | if (llvm_omp_target_dynamic_shared_alloc()) |
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| 31 | return -1; |
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| 32 | |
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| 33 | if (NumThreads < N / 2 || NumThreads > N) { |
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| 34 | printf(format: "Expected number of threads to be in [%i:%i], but got: %i" , N / 2, N, |
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| 35 | NumThreads); |
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| 36 | return -1; |
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| 37 | } |
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| 38 | |
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| 39 | int Failed = 0; |
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| 40 | for (int i = 0; i < NumThreads; ++i) { |
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| 41 | if (Result[i] != 7 + 3) { |
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| 42 | printf(format: "Result[%i] is %i, expected %i\n" , i, Result[i], 7 + 3); |
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| 43 | ++Failed; |
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| 44 | } |
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| 45 | } |
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| 46 | |
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| 47 | if (!Failed) |
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| 48 | printf(format: "PASS\n" ); |
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| 49 | } |
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| 50 | |
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