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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ldist-5.c] - Blame information for rev 826

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Line No. Rev Author Line
1 298 jeremybenn
/* { dg-do compile { target int32plus } } */
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/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */
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int loop1 (int k)
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{
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  unsigned int i;
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  unsigned int j;
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  int a[100][100], b[100][100], c[100][100], d[100][100];
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  a[0][0] = k;
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  for (i = 1; i < 100; i ++)
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    for (j = 1; j < (100-1); j++)
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      {
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        a[i][j] = k * i; /* S1 */
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        b[i][j] = a[i][j-1] + k; /* S2 */
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        c[i][j] = b[i][j] + a[i][j+1]; /* S3 */
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        d[i][j] = c[i][j] + k + i; /* S4 */
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      }
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  /* Dependences:
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     S1->S2 (flow, level 2)
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     S1->S3 (anti, level 2)
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     S2->S3 (flow, level 0)
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     S3->S4 (flow, level 0)
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  */
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  return a[100-1][100-1] + b[100-1][100-1] + c[100-1][100-1] + d[100-1][100-1];
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}
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/* FIXME: This is XFAILed because of a data dependence analysis
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   problem: the dependence test fails with a "don't know" relation.  */
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/* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 1 "ldist" { xfail *-*-* } } } */
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/* { dg-final { cleanup-tree-dump "ldist" } } */

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