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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [tailcall-1.c] - Rev 867

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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-tailc-details" } */
extern void *alloca (__SIZE_TYPE__);
int q(int a);
int *v;
int
t(int a)
{
	int r,r1;
	if (a)
		r1=r = q(a-1);
	else
		return 0;
	/* Dead alloca should not disturb us.  */
	if (r!=r1)
		v=alloca(r);
	return r;
}
/* { dg-final { scan-tree-dump-times "Found tail call" 1 "tailc"} } */
/* { dg-final { cleanup-tree-dump "tailc" } } */
 

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