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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-5.c] - Blame information for rev 689

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1 689 jeremybenn
/* A test for induction variable merging.  */
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/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-optimized" } */
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void foo(long);
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void xxx(void)
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{
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  long iter, jter;
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  for (iter = 0, jter = 2; iter < 100; iter++, jter++)
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    {
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      foo (iter);
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      foo (jter);
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    }
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}
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/* Only iter variable should remain.  */
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/* { dg-final { scan-tree-dump-times "int iter" 1 "optimized" } } */
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/* And jter shouldn't be an induction variable anymore (no PHI node).  */
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/* { dg-final { scan-tree-dump-times "jter_\[0-9\]* = PHI" 0 "optimized" } } */
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/* And the use of jter should be replaced by iter + 2 */
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/* { dg-final { scan-tree-dump-times " \\+ 2" 1 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */

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