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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [pure-1.c] - Rev 414

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/* Regression test for PR middle-end/23584 */
/* Verify that dereferencing a volatile element in a struct causes
   the function not be pure.  */
 
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-ipa-pure-const" } */
 
struct test_a { volatile int a; };
 
int func_a(struct test_a *a)
{
        return a->a;
}
 
/* { dg-final { scan-ipa-dump-not "found to be pure: func_a" "pure-const" } } */
/* { dg-final { cleanup-ipa-dump "pure-const" } } */
 

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