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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-15.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* A test for # of iterations analysis (signed counter cannot wrap) and final
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   value replacement.  */
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/* { dg-options "-O2 -fdump-tree-optimized" } */
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int foo(void);
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int bla(void)
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{
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  int i, n = foo (), j;
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  j = 0;
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  /* The loop should be removed completely.  */
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  for (i = 1; i <= n; i++)
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    j += n;
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  /* Should be replaced with return n * n;  */
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  return j;
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}
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/* Since the loop is removed, there should be no addition.  */
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/* { dg-final { scan-tree-dump-times "\\+" 0 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "n_. \\* n_." 1 "optimized" } } */
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/* The if from the loop header copying remains in the code.  */
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/* { dg-final { scan-tree-dump-times "if " 1 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */

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