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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [pr23584.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn
/* Regression test for PR middle-end/23584 */
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/* Verify that dereferencing an absolute address inside of a function
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   makes that function impure.  */
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/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-ipa-pure-const" } */
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int test1 (void)
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{
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  return * (volatile int *) 0x1234;
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}
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int test2 (void)
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{
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  int local = * (volatile int *) 0x1234;
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  return local;
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}
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/* { dg-final { scan-ipa-dump-not "found to be pure: test1" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be pure: test2" "pure-const" } } */
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/* { dg-final { cleanup-ipa-dump "pure-const" } } */

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