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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [alias-10.c] - Blame information for rev 298

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1 298 jeremybenn
/* For PR tree-optimization/14784  */
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/* { dg-do compile } */
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/* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-details" } */
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typedef struct bitmap_element_def
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{
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  unsigned int indx;
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} bitmap_element;
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typedef struct bitmap_head_def {
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    bitmap_element *first;
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    int using_obstack;
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} bitmap_head;
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typedef struct bitmap_head_def *bitmap;
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bitmap_element *bitmap_free;
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void foo (bitmap head, bitmap_element *elt)
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{
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  while (1)
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    {
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      /* Alias analysis problems used to prevent us from recognizing
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         that this condition is invariant.  */
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      if (head->using_obstack)
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        bitmap_free = elt;
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    }
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}
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/* { dg-final { scan-tree-dump-times "Unswitching" 1 "unswitch"} } */
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/* { dg-final { cleanup-tree-dump "unswitch" } } */

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