37 lines
883 B
C
37 lines
883 B
C
#define N 500
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int foo(void)
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{
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int i, j, k;
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int A[N+5][N+5][N+5];
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/* Loop i: carried no dependency. */
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for (i = 0; i < N; i++)
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for (j = 0; j < N; j++)
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for (k = 0; k < N; k++)
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A[k+1][j+2][i+1] = A[k][j][i+1];
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for (i = 0; i < N; i++)
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/* Loop j: carried no dependency. */
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for (j = 0; j < N; j++)
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/* Loop k: carreid no dependency. */
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for (k = 0; k < N; k++)
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A[i+1][j][k] = A[i][j][k+1];
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return A[1][5][2];
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}
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int main(void)
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{
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foo();
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return 0;
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}
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/* Check that parallel code generation part make the right answer. */
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/* { dg-final { scan-tree-dump-times "3 loops carried no dependency" 1 "graphite" } } */
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/* { dg-final { cleanup-tree-dump "graphite" } } */
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/* { dg-final { scan-tree-dump-times "loopfn.0" 5 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "parloops" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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