support/regression/tests/gcc-torture-execute-20041213-2.c


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/*
   20041213-2.c from the execute part of the gcc torture suite.
 */

#include <testfwk.h>

#ifdef __SDCC
#pragma std_c99
#endif

/* PR tree-optimization/18694

   The dominator optimization didn't take the PHI evaluation order
   into account when threading an edge.  */

void
foo (int i)
{
  int next_n = 1;
  int j = 0;

  for (; i != 0; i--)
    {
      int n;

      for (n = next_n; j < n; j++)
	next_n++;

      if (j != n)
	ASSERT (0);
    }
}

void
testTortureExecute (void)
{
  foo (2);
  return;
}