| 1 | // RUN: %libomp-compile-and-run |
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| 2 | |
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| 3 | // Support for collapse of non-rectangular loop nests was added in GCC 11 |
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| 4 | // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8, gcc-9, gcc-10 |
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| 5 | |
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| 6 | #include <stdio.h> |
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| 7 | |
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| 8 | #define N 3 |
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| 9 | |
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| 10 | int arr[N][N][N]; |
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| 11 | int main() { |
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| 12 | #pragma omp for collapse(3) |
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| 13 | for (unsigned int i = 0; i < N; ++i) |
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| 14 | for (unsigned int j = i; j < N; ++j) |
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| 15 | for (unsigned int k = j; k < N; ++k) |
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| 16 | arr[i][j][k] = 1; |
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| 17 | int num_failed = 0; |
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| 18 | for (unsigned int i = 0; i < N; ++i) |
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| 19 | for (unsigned int j = 0; j < N; ++j) |
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| 20 | for (unsigned int k = 0; k < N; ++k) |
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| 21 | if (arr[i][j][k] == (j >= i && k >= j) ? 0 : 1) |
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| 22 | ++num_failed; |
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| 23 | |
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| 24 | return num_failed; |
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| 25 | } |
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| 26 | |
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