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131
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1 /* { dg-do compile { target size32plus } } */
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111
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2 /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
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3
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4 #define M (256)
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5 #define N (512)
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6
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7 struct st
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8 {
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9 int a[M][N];
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10 int c[M];
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11 int b[M][N];
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12 };
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13
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14 void
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15 foo (struct st * restrict p)
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16 {
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17 for (unsigned i = 0; i < M; ++i)
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18 {
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19 p->c[i] = 0;
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20 for (unsigned j = N; j > 0; --j)
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21 {
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22 p->b[i][j - 1] = p->a[i][j - 1];
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23 p->a[i][j - 1] = 0;
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24 }
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25 }
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26 }
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27
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28 /* { dg-final { scan-tree-dump-times "Loop nest . distributed: split to 0 loops and 3 library" 1 "ldist" } } */
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