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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-ccp-10.c] - Diff between revs 154 and 816

Rev 154	Rev 816
`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-options "-O1 -fdump-tree-fab" } */`	`/* { dg-options "-O1 -fdump-tree-fab" } */`

`/* Check that we fold strlen of equally long strings, and that we do not`	`/* Check that we fold strlen of equally long strings, and that we do not`
`fail to terminate when there is a nontrivial cycle in the corresponding`	`fail to terminate when there is a nontrivial cycle in the corresponding`
`ssa graph. */`	`ssa graph. */`

`extern __SIZE_TYPE__ strlen (const char *);`	`extern __SIZE_TYPE__ strlen (const char *);`

`void foo(int i)`	`void foo(int i)`
`{`	`{`
`char *s = "abcde";`	`char *s = "abcde";`

`if (i)`	`if (i)`
`{`	`{`
`s = "defgh";`	`s = "defgh";`
`goto middle;`	`goto middle;`
`}`	`}`

`start:`	`start:`

`bla ();`	`bla ();`

`middle:`	`middle:`

`if (bla ())`	`if (bla ())`
`goto start;`	`goto start;`

`bar (strlen (s));`	`bar (strlen (s));`
`}`	`}`

`/* There should be no calls to strlen. */`	`/* There should be no calls to strlen. */`
`/* { dg-final { scan-tree-dump-times "strlen" 0 "fab"} } */`	`/* { dg-final { scan-tree-dump-times "strlen" 0 "fab"} } */`
`/* { dg-final { cleanup-tree-dump "fab" } } */`	`/* { dg-final { cleanup-tree-dump "fab" } } */`