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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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Rev 298 |
Rev 384 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-cddce1" } */
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/* { dg-options "-O2 -fdump-tree-cddce1" } */
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int main(void)
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int main(void)
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{
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{
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unsigned i, j;
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unsigned i, j;
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for (i = 1, j = 0; i != 0; i+=2)
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for (i = 1, j = 0; i != 0; i+=2)
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{
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{
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j += 500;
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j += 500;
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if (j % 7)
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if (j % 7)
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{
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{
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j++;
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j++;
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}
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}
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else
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else
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{
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{
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j--;
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j--;
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}
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}
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}
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}
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return 0;
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return 0;
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}
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}
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/* We should eliminate the inner condition, but the loop must be preserved
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/* We should eliminate the inner condition, but the loop must be preserved
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as it is infinite. Therefore there should be just one phi node (for i): */
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as it is infinite. Therefore there should be just one phi node (for i): */
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/* { dg-final { scan-tree-dump-times "PHI " 1 "cddce1"} } */
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/* { dg-final { scan-tree-dump-times "PHI " 1 "cddce1"} } */
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/* And one if (for the exit condition of the loop): */
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/* And one if (for the exit condition of the loop): */
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/* { dg-final { scan-tree-dump-times "if " 1 "cddce1"} } */
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/* { dg-final { scan-tree-dump-times "if " 1 "cddce1"} } */
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/* { dg-final { cleanup-tree-dump "cddce1" } } */
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/* { dg-final { cleanup-tree-dump "cddce1" } } */
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