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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [ipa/] [ipcp-3.c] - Blame information for rev 753

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Line No. Rev Author Line
1 689 jeremybenn
/* Verify that IPA-CP can clone mark_cell without miscompiling it despite its
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   type_attributes.  */
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/* { dg-do run } */
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/* { dg-options "-O3 -fdump-ipa-cp" } */
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struct PMC {
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    unsigned flags;
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};
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typedef struct Pcc_cell
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{
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    struct PMC *p;
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    long bla;
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    long type;
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} Pcc_cell;
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int gi;
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extern void abort ();
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extern void never_ever(int * interp, struct PMC *pmc)
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     __attribute__((noinline));
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void never_ever (int * interp, struct PMC *pmc)
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{
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  abort ();
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}
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static void mark_cell(int * interp, Pcc_cell *c)
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        __attribute__((__nonnull__(1)))
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        __attribute__((noinline));
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static void
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mark_cell(int * interp, Pcc_cell *c)
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{
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  if (c && c->type == 4 && c->p
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      && !(c->p->flags & (1<<14)))
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    never_ever(interp, c->p);
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}
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static void foo(int * interp, Pcc_cell *c)
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  __attribute__((noinline));
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static void
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foo(int * interp, Pcc_cell *c)
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{
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  mark_cell(interp, c);
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}
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static struct Pcc_cell *
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__attribute__((noinline,noclone))
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getnull(void)
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{
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  return (struct Pcc_cell *) 0;
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}
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int main()
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{
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  int i;
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  for (i = 0; i < 100; i++)
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    foo (&gi, getnull ());
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  return 0;
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}
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/* { dg-final { scan-ipa-dump "Creating a specialized node of mark_cell" "cp" } } */
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/* { dg-final { cleanup-ipa-dump "cp" } } */
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