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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [tailrecursion-4.c] - Rev 298

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/* { dg-do compile } */
/* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr-details" } */
int
t(int a)
{
	int r;
	if (a&1)
		r = t(a-1);
	else if (a)
		r = t(a-2);
	else
		return 0;
	if (r)
		r=r;
	return r;
}
/* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 2 "tailr1"} } */
/* { dg-final { cleanup-tree-dump "tailr\[1-2\]" } } */
 

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