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/* Verify that IPA-CP can clone mark_cell without miscompiling it despite its
type_attributes. */
/* { dg-do run } */
/* { dg-options "-O3 -fdump-ipa-cp" } */
struct PMC {
unsigned flags;
};
typedef struct Pcc_cell
{
struct PMC *p;
long bla;
long type;
} Pcc_cell;
int gi;
extern void abort ();
extern void never_ever(int * interp, struct PMC *pmc)
__attribute__((noinline));
void never_ever (int * interp, struct PMC *pmc)
{
abort ();
}
static void mark_cell(int * interp, Pcc_cell *c)
__attribute__((__nonnull__(1)))
__attribute__((noinline));
static void
mark_cell(int * interp, Pcc_cell *c)
{
if (c && c->type == 4 && c->p
&& !(c->p->flags & (1<<14)))
never_ever(interp, c->p);
}
static void foo(int * interp, Pcc_cell *c)
__attribute__((noinline));
static void
foo(int * interp, Pcc_cell *c)
{
mark_cell(interp, c);
}
static struct Pcc_cell *
__attribute__((noinline,noclone))
getnull(void)
{
return (struct Pcc_cell *) 0;
}
int main()
{
int i;
for (i = 0; i < 100; i++)
foo (&gi, getnull ());
return 0;
}
/* { dg-final { scan-ipa-dump "Creating a specialized node of mark_cell" "cp" } } */
/* { dg-final { cleanup-ipa-dump "cp" } } */
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