40 lines
947 B
C++
40 lines
947 B
C++
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// RUN: %libomptarget-compilexx-run-and-check-generic
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// UNSUPPORTED: aarch64-unknown-linux-gnu
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// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
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// UNSUPPORTED: nvptx64-nvidia-cuda
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// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
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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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// UNSUPPORTED: amdgcn-amd-amdhsa
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#include <omp.h>
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#include <stdio.h>
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#define N 1000000
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int A[N];
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int main() {
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for (int i = 0; i < N; i++)
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A[i] = 1;
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int sum[1];
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sum[0] = 0;
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#pragma omp target teams distribute parallel for num_teams(256) \
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schedule(static, 1) map(to \
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: A[:N]) map(tofrom \
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: sum[:1])
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{
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for (int i = 0; i < N; i++) {
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#pragma omp critical
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{ sum[0] += A[i]; }
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}
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}
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// CHECK: SUM = 1000000
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printf("SUM = %d\n", sum[0]);
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return 0;
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}
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