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/* { dg-do compile } */
/* { dg-options -O2 } */
extern void do_something_usefull();
/* Check that we finish compiling even if instructed to
flatten a cyclic callgraph. Verify we correctly
flatten with another function marked flatten in the
callgraph. */
void __attribute__((flatten)) direct(void)
{
direct();
}
void __attribute__((flatten)) indirect(void);
static void indirect1(void)
{
indirect();
}
void __attribute__((flatten)) indirect(void)
{
indirect1();
}
void __attribute__((flatten)) doubleindirect(void);
static void doubleindirect2(void)
{
doubleindirect();
do_something_usefull ();
}
static void doubleindirect1(void)
{
doubleindirect2();
}
void __attribute__((flatten)) doubleindirect(void)
{
doubleindirect1();
}
static void subcycle1(void);
static void subcycle2(void)
{
subcycle1();
do_something_usefull ();
}
static void subcycle1(void)
{
subcycle2();
}
void __attribute__((flatten)) subcycle(void)
{
subcycle1();
}
static void doublesubcycle1(void);
static void doublesubcycle2(void);
static void doublesubcycle3(void)
{
doublesubcycle1();
do_something_usefull ();
}
static void doublesubcycle2(void)
{
doublesubcycle3();
}
static void doublesubcycle1(void)
{
doublesubcycle2();
}
void __attribute__((flatten)) doublesubcycle(void)
{
doublesubcycle1();
}
/* { dg-final { scan-assembler "cycle\[123\]\[: \t\n\]" } } */
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