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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-pre-stats" } */

int p;

int r;

__attribute__ ((noinline))

static int a(void)

{

  return p;

}

int foo(int argc)

{

  int q;

  q = a();

  /* We should be able to move the call to a into the if path.

     in a perfect world, we'd actually decide that it can't touch

     r, and not recompute it at all!.  */

  if (argc)

    r = 9;

  return q + a();

}

/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */

/* { dg-final { cleanup-tree-dump "pre" } } */