50 lines · plain
1// Run lines are in the target specific versions.2 3#include <omp.h>4#include <stdio.h>5 6#define N 5127 8int main() {9 int Result[N], NumThreads;10 11#pragma omp target teams num_teams(1) thread_limit(N) \12 ompx_dyn_cgroup_mem(N * sizeof(Result[0])) \13 map(from : Result, NumThreads)14 {15 int Buffer[N];16#pragma omp parallel17 {18 int *DynBuffer = (int *)llvm_omp_target_dynamic_shared_alloc();19 int TId = omp_get_thread_num();20 if (TId == 0)21 NumThreads = omp_get_num_threads();22 Buffer[TId] = 7;23 DynBuffer[TId] = 3;24#pragma omp barrier25 int WrappedTId = (TId + 37) % NumThreads;26 Result[TId] = Buffer[WrappedTId] + DynBuffer[WrappedTId];27 }28 }29 30 if (llvm_omp_target_dynamic_shared_alloc())31 return -1;32 33 if (NumThreads < N / 2 || NumThreads > N) {34 printf("Expected number of threads to be in [%i:%i], but got: %i", N / 2, N,35 NumThreads);36 return -1;37 }38 39 int Failed = 0;40 for (int i = 0; i < NumThreads; ++i) {41 if (Result[i] != 7 + 3) {42 printf("Result[%i] is %i, expected %i\n", i, Result[i], 7 + 3);43 ++Failed;44 }45 }46 47 if (!Failed)48 printf("PASS\n");49}50