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[netbsd-mini2440.git] / gnu / dist / gcc4 / gcc / testsuite / gcc.dg / tree-ssa / tailrecursion-3.c

/* { dg-do compile } */
/* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr-details" } */
int
t(int a)
{
        int r;
        if (a)
                r = t(a-1);
        else
                return 0;
        if (r)
                r=r;
        return r;
}
/* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr"} } */
/* { dg-final { cleanup-tree-dump "tailr" } } */