URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-dce-3.c] - Diff between revs 298 and 384

Rev 298	Rev 384
`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-options "-O2 -fdump-tree-cddce1" } */`	`/* { dg-options "-O2 -fdump-tree-cddce1" } */`

`int main(void)`	`int main(void)`
`{`	`{`
`unsigned i, j;`	`unsigned i, j;`

`for (i = 1, j = 0; i != 0; i+=2)`	`for (i = 1, j = 0; i != 0; i+=2)`
`{`	`{`
`j += 500;`	`j += 500;`
`if (j % 7)`	`if (j % 7)`
`{`	`{`
`j++;`	`j++;`
`}`	`}`
`else`	`else`
`{`	`{`
`j--;`	`j--;`
`}`	`}`
`}`	`}`

`return 0;`	`return 0;`
`}`	`}`

`/* We should eliminate the inner condition, but the loop must be preserved`	`/* We should eliminate the inner condition, but the loop must be preserved`
`as it is infinite. Therefore there should be just one phi node (for i): */`	`as it is infinite. Therefore there should be just one phi node (for i): */`
`/* { dg-final { scan-tree-dump-times "PHI " 1 "cddce1"} } */`	`/* { dg-final { scan-tree-dump-times "PHI " 1 "cddce1"} } */`

`/* And one if (for the exit condition of the loop): */`	`/* And one if (for the exit condition of the loop): */`
`/* { dg-final { scan-tree-dump-times "if " 1 "cddce1"} } */`	`/* { dg-final { scan-tree-dump-times "if " 1 "cddce1"} } */`

`/* { dg-final { cleanup-tree-dump "cddce1" } } */`	`/* { dg-final { cleanup-tree-dump "cddce1" } } */`