forked from OSchip/llvm-project
43 lines
823 B
C++
43 lines
823 B
C++
// RUN: %libomptarget-compilexx-run-and-check-generic
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// UNSUPPORTED: x86_64-pc-linux-gnu
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// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
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#include <cassert>
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#include <iostream>
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int main(int argc, char *argv[]) {
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constexpr const int num_threads = 64, N = 128;
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int array[num_threads] = {0};
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#pragma omp parallel for
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for (int i = 0; i < num_threads; ++i) {
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int tmp[N];
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for (int j = 0; j < N; ++j) {
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tmp[j] = i;
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}
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#pragma omp target teams distribute parallel for map(tofrom : tmp)
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for (int j = 0; j < N; ++j) {
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tmp[j] += j;
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}
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for (int j = 0; j < N; ++j) {
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array[i] += tmp[j];
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}
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}
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// Verify
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for (int i = 0; i < num_threads; ++i) {
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const int ref = (0 + N - 1) * N / 2 + i * N;
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assert(array[i] == ref);
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}
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std::cout << "PASS\n";
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return 0;
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}
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// CHECK: PASS
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