Viewing file:  ipa-pta-1.c (1006 B) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O -fipa-pta -fdump-ipa-pta2-details" } */
static int __attribute__((noinline))
foo (int *p, int *q)
{
*p = 2;
*q = 1;
return *p;
}
static int __attribute__((noinline))
bar (int *p, int *q)
{
*p = -2;
*q = -1;
return *p;
}
static int __attribute__((noinline,noclone))
foobar (int foo_p)
{
int a;
int (*fn)(int *, int *);
if (foo_p)
fn = foo;
else
fn = bar;
return (*fn)(&a, &a);
}
extern void abort (void);
int main()
{
if (foobar (1) != 1)
abort ();
return 0;
}
/* IPA PTA needs to handle indirect calls properly. Verify that
both bar and foo get a (and only a) in their arguments points-to sets. */
/* { dg-final { scan-ipa-dump "fn_1 = { bar foo }" "pta2" } } */
/* { dg-final { scan-ipa-dump "bar.arg0 = { a }" "pta2" } } */
/* { dg-final { scan-ipa-dump "bar.arg1 = { a }" "pta2" } } */
/* { dg-final { scan-ipa-dump "foo.arg0 = { a }" "pta2" } } */
/* { dg-final { scan-ipa-dump "foo.arg1 = { a }" "pta2" } } */
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