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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-25.c] - Blame information for rev 338

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Line No. Rev Author Line
1 298 jeremybenn 
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-profile" } */
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int foo(void);
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void bla(void);
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void bar(void);
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void test1 (void)
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{
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  unsigned i;
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  /* Only one loop should be found here.  */
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  i = 0;
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  while (1)
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    {
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      i++;
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      if (i == 100)
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        break;
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      if (foo ())
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        bla ();
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      else
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        bar ();
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    }
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}
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void test2 (void)
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{
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  unsigned i, j;
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  /* Two loops should be found, in this case.  */
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  i = j = 0;
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  while (1)
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    {
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      j++;
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      foo ();
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      if (j < 100)
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        continue;
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      i++;
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      j = 0;
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      if (i == 100)
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        break;
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    }
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}
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void test3 (void)
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{
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  unsigned i, j, k;
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  /* Three loops.  */
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  i = j = k = 0;
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  while (1)
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    {
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      j++;
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      foo ();
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      if (j < 100)
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        continue;
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      j = 0;
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      k++;
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      if (k < 100)
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        continue;
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      k = 0;
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      i++;
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      if (i == 100)
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        break;
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    }
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}
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void test4 (void)
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{
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  unsigned i, j, k;
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  /* Two loops with a nested subloop.  */
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  i = j = 0;
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  while (1)
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    {
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      j++;
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      foo ();
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      for (k = 0; k < 100; k++)
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        foo ();
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      if (j < 100)
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        continue;
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      i++;
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      j = 0;
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      if (i == 100)
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        break;
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    }
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}
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void test5 (void)
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{
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  unsigned i, j;
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  /* Both subloop and non-subloop back edges.  */
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  i = j = 0;
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  while (1)
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    {
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      j++;
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      foo ();
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      if (j < 100)
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        continue;
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      j = 0;
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      i++;
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      if (i == 100)
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        break;
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      if (foo ())
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        bla ();
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      else
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        bar ();
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    }
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}
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/* { dg-final { scan-tree-dump-times "Disambiguating loop" 5 "profile" } } */
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/* For the following xfail marks, see PR35629.  */
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/* { dg-final { scan-tree-dump-times "Found latch edge" 5 "profile" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "Merged latch edges" 2 "profile" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "4 loops found" 2 "profile" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "3 loops found" 2 "profile" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "2 loops found" 1 "profile" { xfail *-*-* } } } */
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/* { dg-final { cleanup-tree-dump "profile" } } */

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