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Rev 298 |
Rev 816 |
/* { dg-do run } */
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/* { dg-do run } */
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/* { dg-options "-fdump-tree-alias" } */
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/* { dg-options "-fdump-tree-alias" } */
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/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
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/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
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int *p;
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int *p;
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void __attribute__((noinline,noclone))
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void __attribute__((noinline,noclone))
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bar (void)
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bar (void)
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{
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{
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*p = 1;
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*p = 1;
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}
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}
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int __attribute__((noinline,noclone))
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int __attribute__((noinline,noclone))
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foo (__SIZE_TYPE__ addr)
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foo (__SIZE_TYPE__ addr)
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{
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{
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int i;
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int i;
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/* q points to ANYTHING */
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/* q points to ANYTHING */
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int **q = (int **)addr;
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int **q = (int **)addr;
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/* this store needs to cause i to escape */
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/* this store needs to cause i to escape */
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*q = &i;
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*q = &i;
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i = 0;
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i = 0;
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/* and thus be clobbered by this function call */
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/* and thus be clobbered by this function call */
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bar ();
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bar ();
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return i;
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return i;
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}
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}
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extern void abort (void);
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extern void abort (void);
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int
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int
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main()
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main()
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{
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{
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if (foo ((__SIZE_TYPE__)&p) != 1)
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if (foo ((__SIZE_TYPE__)&p) != 1)
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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/* { dg-final { scan-tree-dump "ESCAPED = { ESCAPED NONLOCAL i }" "alias" } } */
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/* { dg-final { scan-tree-dump "ESCAPED = { ESCAPED NONLOCAL i }" "alias" } } */
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/* { dg-final { cleanup-tree-dump "alias" } } */
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/* { dg-final { cleanup-tree-dump "alias" } } */
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